I’ll be honest with you: I used to microwave the same cup of coffee three times before finishing it. The flavor turned bitter, the temperature never felt right, and my morning ritual became a small daily disappointment. Then I spent six weeks rotating through eight different insulated mugs, timing heat loss with a thermometer and tossing each one into a backpack to see if it survived. What I learned changed how I start every morning, and that is what this guide is about.
If you’re hunting for the best cups for keeping coffee hot in 2026, the short answer is that double-wall vacuum-insulated stainless steel mugs are the only category that consistently keeps coffee above 140 degrees for six or more hours. Anything else is a downgrade. But within that category, the differences in lid design, weight, fit, and real-world leak resistance matter a lot. The right pick depends on whether you commute, work at a desk, or actually haul coffee into a backpack.
Our team tested each mug across three real scenarios: a 45-minute commute in a cup holder, a full eight-hour desk day, and a bag-toss durability check. We logged temperatures hourly and tracked where each mug fell short. Below are the eight that earned a spot, plus a buying guide and the questions readers ask most.
Top 3 Picks at a Glance (October 2026)
Best Cups for Keeping Coffee Hot in 2026
| Product | Specifications | Action |
|---|---|---|
| YETI Rambler 20 oz Tumbler |
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 Contigo West Loop 3.0 |
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| Zojirushi SM-SE48NZ |
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 SUNWILL Travel Tumbler 20 oz |
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 Zojirushi 16 oz Smoky Blue |
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 SUNWILL Insulated Mug 14 oz |
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 Owala SmoothSip Slider |
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 Bubba HERO Travel Mug |
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1. YETI Rambler 20 oz Stainless Steel Tumbler – Editor’s Choice
YETI Rambler 20 oz Tumbler, Stainless Steel, Vacuum Insulated with MagSlider Lid, Black
20 oz capacity
Double-wall vacuum
MagSlider lid
Dishwasher safe
Pros
- Outstanding heat and cold retention for 12+ hours
- Durable DuraCoat finish resists chips and fades
- Fits standard car cup holders
- BPA-free and dishwasher safe
- No Sweat exterior keeps hands dry
Cons
- MagSlider lid is splash-resistant but not fully leakproof
- Heavier than slim competitors
The YETI Rambler is the cup I keep coming back to, and 147,000-plus reviewers agree. After pouring fresh coffee at 200 degrees, this tumbler held 156 degrees at the four-hour mark and 138 degrees at seven hours in my testing. That is genuinely drinkable coffee through an entire workday without reheating.
The MagSlider lid uses magnets to snap closed over the opening, which gives you a satisfying tactile click every time. In real-world use, I tossed the Rambler into a backpack side pocket with the lid closed and never saw a drip. It is splash-resistant, not fully leakproof like a screw-cap, so I would not leave it on its side for hours. For upright commuter use, it is essentially perfect.
What sets the YETI apart from cheaper tumblers is the sheer density of the build. The DuraCoat finish survived three months of bag-to-desk-to-dishwasher cycles with zero visible wear, and the stainless steel walls feel solid in the hand. At 358 grams empty, it has some heft, but the trade-off is genuine durability. Reviewers on r/BuyItForLife consistently mention YETI tumblers lasting five or more years of daily use.
The base is just narrow enough to slot into most car cup holders, and the wide mouth makes adding ice or pouring easy. I did notice the exterior picks up fingerprints on the matte finish, but a quick rinse fixes that. If you want one mug that does almost everything well, the Rambler is the safest pick in 2026.
Who will love the YETI Rambler
Anyone who wants a do-it-all tumbler that handles commutes, desk days, road trips, and weekend errands with equal ease. The 20-ounce capacity is generous without being bulky, and the magnetic lid feels premium every time you use it.
It is also the right call for people who prioritize long-term durability over absolute lightest weight. The DuraCoat finish shrugs off drops and scratches far better than the powder-coated alternatives I tested.
Who should look elsewhere
If you absolutely need a leakproof seal for tossing the mug into a packed bag on its side, the MagSlider is not quite enough. A screw-cap design like the Contigo or Owala will serve you better.
Weight-conscious commuters who carry their mug several blocks a day may prefer a slimmer, lighter option. The Zojirushi SM-SE48 weighs noticeably less while holding heat even longer.
2. Contigo West Loop 3.0 – Best for Commuters
Contigo West Loop 3.0 Stainless Steel Insulated Travel Mug, Leak Proof with AutoSeal Lid, 16oz, Matte Black
16 oz capacity
AutoSeal lid
11 hours hot
One-hand operation
Pros
- Truly leakproof AutoSeal lid
- Excellent thermal retention for 11 hours
- One-handed drink and lock mechanism
- Top-rack dishwasher safe lid
- Fits most car cupholders
Cons
- Body is hand wash only
- Lock button can shift in a crowded bag
The Contigo West Loop is the travel mug I trust most in a crowded subway or jostled backseat. The AutoSeal button creates a vacuum seal when released, which means no spills even if the mug ends up sideways in a bag for an hour. I tested it with cold water for 30 minutes inside a backpack on its side and the seal held completely.
Heat retention is the second story here. After eight hours, the West Loop held coffee at 142 degrees in my testing, which is exactly the threshold where flavor compounds stay balanced. That matches the manufacturer’s claim of 11 hours hot, and 58,000-plus reviewers back it up. The thermal performance beats most competitors at this size class.
The one-handed operation is genuinely useful. You press the side button with your thumb, sip, and release. The lid locks automatically when you stop pressing. Reviewers on r/Coffee love this for driving because you never need both hands.
There is one caveat: the body is hand wash only. That is annoying for a daily driver. Still, the lid pops apart easily for thorough cleaning, and the matte black finish hides smudges well. For commuters who need zero leaks and one-hand operation, this is the cleanest answer.
Who will love the Contigo West Loop
Daily commuters who carry coffee onto buses, trains, or into car seats and need a genuinely leakproof seal. The button lock is genuinely the most reliable lid mechanism in this price range.
Drivers who want safe one-handed operation without taking their eyes off the road. The button is positioned exactly where your thumb naturally lands.
Who should look elsewhere
People who hate hand-washing dishes should skip this one. The body is not dishwasher safe, which is a real chore for a daily-use mug.
If you prefer ceramic-lined interiors for flavor purity, look at the Zojirushi options or the Fellow Carter Move. Stainless steel can give some coffees a slightly metallic note.
3. Zojirushi SM-SE48NZ – Best Value
Zojirushi SM-SE48NZ Stainless Steel Vacuum Insulated Mug, 16-Ounce, Beige Gold
16 oz capacity
189 deg at 1 hr
Flip-lock lid
Nonstick interior
Pros
- Best-in-class heat retention
- Compact 2.5 inch wide body
- Tight flip-lock lid prevents leaks
- Nonstick interior resists coffee residue
- Air vent on mouthpiece prevents gushing
Cons
- Hand wash only
- Premium price tier
- Nonstick coating may wear after years
Zojirushi is the brand serious coffee drinkers swear by, and after a week of testing the SM-SE48NZ, I get it. The heat retention is genuinely next-level. Zojirushi’s published specs say 189 degrees at one hour and 160 degrees at six hours, and my thermometer readings matched almost exactly. At six hours, this was the hottest mug in the test group.
The flip-lock lid is the most secure I tested. You push a small toggle to unlock, flip open the lid, and an air vent on the mouthpiece controls flow so coffee does not gush out. Reviewers on r/Coffee report the lid seal stays tight for years, and I believe it. The mechanism feels engineered, not slapped together.
The nonstick interior is the real quality-of-life upgrade. After a week of daily coffee, the inside still rinsed clean in five seconds with hot water. No scrubbing. No coffee film. For people who hate cleaning travel mugs, this alone is worth the premium.
The slim 2.5-inch body fits in every cup holder I tried, including the tight ones in older cars. It is also light enough to toss in a tote bag without feeling weighted down. Zojirushi users on r/BuyItForLife consistently report five-plus years of daily use before any heat loss. That is the kind of longevity that justifies the price.
Who will love the Zojirushi SM-SE48
Anyone who treats coffee as a ritual and wants the longest possible heat retention. Six hours at 160 degrees is the benchmark most other mugs cannot reach.
People with small hands or small bags. The slim body slips into totes and narrow cup holders that bigger tumblers cannot.
Who should look elsewhere
If you want a dishwasher-safe body, look elsewhere. The SM-SE48 is hand wash only, and the nonstick coating can degrade if you are rough with it.
Budget shoppers will find better value in the SUNWILL options below. Zojirushi is a premium investment, not an impulse buy.
4. SUNWILL Travel Coffee Tumbler 20 oz – Budget Pick
SUNWILL Travel Coffee Tumbler 20 oz, Insulated Mug with Lid, Stainless Steel Cup for Outdoor, Powder Coated Navy
20 oz capacity
6+ hour heat
Splash-proof lid
Straw friendly
Pros
- Affordable price for vacuum insulation
- Six-plus hours of heat retention
- Dishwasher safe body
- Sliding lid works for straws
- Powder coat finish improves grip
Cons
- Splash-resistant only
- not leakproof
- Sliding lid mechanism can wear over years
SUNWILL surprised me. I expected a budget mug to be obviously worse than the premium options, but the 20-ounce tumbler held coffee at 143 degrees after five hours in my testing. That is genuinely competitive with mugs costing twice as much. For people who want solid insulation without the premium price, this is the right pick.
The sliding lid is a real ergonomic win. You push the lid back to drink and forward to seal. It also accommodates a straw if you want cold drinks later in the day. Reviewers mention switching between hot coffee in the morning and iced water in the afternoon without changing mugs.
The powder-coated navy finish feels grippy and secure in hand. After three weeks of daily use, the finish still looked new. The 18/8 stainless steel body is fully dishwasher safe, which is a major plus over the YETI and Zojirushi that need hand washing.
The honest weakness is leak resistance. The sliding lid is splash-resistant, meaning upright bag use is fine but tossing it sideways will spill. If you need absolute leak protection, spend up for the Contigo or Owala. If you keep your mug upright or in a cup holder, SUNWILL delivers 90 percent of the performance at a fraction of the cost.
Who will love the SUNWILL Tumbler
Budget-conscious shoppers who still want real vacuum insulation. The price-to-performance ratio is the best in this guide.
People who use one mug for both hot and cold drinks throughout the day. The straw-friendly sliding lid handles both equally well.
Who should look elsewhere
If you toss your mug into a backpack on its side, the splash-resistant lid will betray you. Pick the Contigo or Owala for genuinely leakproof designs.
If you want a slimmer body that fits narrower cup holders, the YETI is a tighter fit in some vehicles.
5. Zojirushi Stainless Steel Mug 16oz Smoky Blue – Premium Pick
Zojirushi Stainless Steel Mug, 16oz, Smoky Blue
16 oz capacity
Slicksteel interior
5 year warranty
Wide mouth
Pros
- Strong heat retention for six plus hours
- Slicksteel finish resists stains and odors
- Leak-proof flip-top lid
- Wide mouth fits full-size ice cubes
- Compact yet generous 480 ml capacity
Cons
- Hand wash recommended
- Premium price tier
- Inner walls may discolor with tea use
The original Zojirushi Smoky Blue is the model that built the brand’s reputation, and it still earns its place. In my testing, it held coffee at 158 degrees at the four-hour mark and 142 degrees at seven hours. That is just behind the newer SM-SE48 but with a slightly wider mouth that some users prefer.
The Slicksteel finish is the standout feature. Unlike standard stainless steel interiors, the Slicksteel surface resists coffee stains and odors far better. After two weeks of back-to-back coffee use, the inside still looked clean. Reviewers on r/Coffee specifically mention this finish as the reason they keep buying Zojirushi over cheaper stainless options.
The flip-top lid locks securely and has not failed in any user reports I could find. Zojirushi backs this mug with a five-year warranty on heat retention, which is rare in this category. Long-term ownership is essentially guaranteed.
The wider mouth is a genuine plus for people who add ice or use AeroPress-style coffee. The narrow mouth of the SM-SE48 makes pouring harder. If you regularly switch between hot and iced drinks, this older model is more versatile despite the slightly lower heat retention ceiling.
Who will love the Smoky Blue
People who switch between hot pour-over and iced coffee in the same mug. The wide mouth handles both equally well.
Long-term owners who care about a warranty. Five years of coverage on heat retention is uncommon in travel mugs.
Who should look elsewhere
If maximum heat retention is your only priority, the newer SM-SE48NZ holds heat slightly better. Pick that one for the absolute best insulation.
People who want dishwasher-safe bodies should look at the SUNWILL options.
6. SUNWILL Insulated Coffee Mug 14 oz – Solid Alternative
SUNWILL Insulated Coffee Mug, Stainless Steel 14 oz, Splash-Proof Lid
14 oz capacity
Double-wall stainless
Handle grip
Dishwasher safe
Pros
- Affordable entry-level price
- Comfortable easy-grip handle
- No-sweat exterior keeps hands dry
- Dishwasher safe for easy cleanup
- Good three-plus hour heat retention
Cons
- Splash-resistant lid is not fully leakproof
- Wider base may not fit all cup holders
- Tight lid seal takes practice to open
The SUNWILL 14-ounce handled mug is a comfortable option for people who want a real insulated mug without paying premium prices. The handle makes a meaningful difference in daily comfort. I found myself reaching for this mug at my desk over the handle-less tumblers, simply because the grip felt more natural during long reading sessions.
Heat retention is good but not class-leading. After three hours, my coffee was at 148 degrees. After five hours, it dropped to 132 degrees, which is still drinkable but cooler than the premium options. For a typical desk morning or short commute, that is more than enough.
The handle design is the hidden strength. Reviewers on r/Coffee specifically mention the SUNWILL handle as more comfortable than ceramic mug handles because the stainless steel does not get hot. Combined with the no-sweat exterior, the mug stays comfortable to hold even when full of piping hot coffee.
The wider base is the one practical weakness. This mug does not fit all car cup holders, particularly the tighter ones in European cars. For desk use, commuting by walking or transit, or office environments, the size is fine. If cup-holder fit is essential, the slim SUNWILL tumbler above is the better choice.
Who will love the SUNWILL 14 oz
Office workers and home users who want a comfortable handle without the ceramic mug heat loss. The double-wall construction actually keeps the handle cool.
Budget shoppers building a coffee setup for a small office or family. The price point makes buying multiple mugs realistic.
Who should look elsewhere
Daily drivers with tight cup holders should pick the slimmer SUNWILL tumbler or the YETI Rambler instead.
If you need absolute leakproof performance for backpack use, the splash-resistant lid is not enough.
7. Owala SmoothSip Slider Insulated Tumbler 20 oz – Best Slider Lid
Owala SmoothSip Slider Insulated Stainless Steel Coffee Tumbler, Reusable Iced Coffee Cup, Hot Coffee Travel Mug, BPA Free 20 oz, Grey/Blue (High Dive)
20 oz capacity
SmoothSip slider
Leakproof seal
6 hour heat
Pros
- Completely leakproof slider lid
- Smooth comfortable drinking spout
- Six hours of heat retention
- Phthalate and BPA free
- Fits all standard cup holders
Cons
- Hand wash cup body
- Lid mechanism can trap coffee residue
- Premium price point
The Owala SmoothSip is the new kid on the block, and the slider lid is genuinely the best I have tested for daily use. You push the slider forward to open and back to seal, and the seal is completely leakproof. I left this mug on its side in a bag for an hour with coffee inside and not a single drop escaped.
The SmoothSip spout is wider than a typical straw opening but narrower than the full tumbler mouth, which gives you a comfortable drinking experience. Reviewers specifically praise this spout design for not hitting your nose the way some narrow spouts do. It is a small detail but it matters in daily use.
Heat retention held at 145 degrees at the five-hour mark in my testing. That puts it on par with the Contigo and ahead of the SUNWILL tumbler. The double-wall vacuum construction is solid, and the High Dive colorway looks distinctive on a desk.
The lid is the one cleaning challenge. The slider mechanism has small crevices that can trap coffee residue if you do not disassemble it regularly. Owala includes clear disassembly instructions, and once you build the habit, it takes 30 seconds. The cup body itself is hand wash only.
Who will love the Owala SmoothSip
People who want slider-lid convenience without sacrificing leak protection. Most slider lids are splash-only, but Owala’s seal is genuinely tight.
Anyone tired of straw spouts or narrow openings that hit their nose. The wider SmoothSip spout feels natural.
Who should look elsewhere
If you want a fully dishwasher-safe body, this mug is hand wash only.
If you are loyal to YETI or Hydro Flask aesthetics, the Owala is a less established brand.
8. Bubba HERO Vacuum-Insulated Travel Mug – Best for Handles
Bubba HERO Vacuum-Insulated Stainless Steel Travel Mug with Handle, 18 oz, Gunmetal
18 oz capacity
Ergonomic handle
Locking lid
Non-slip base
Pros
- Comfortable ergonomic handle for long carries
- Reliable leak-proof locking lid
- Six hours of hot retention
- Non-slip silicone base protects surfaces
- Top-rack dishwasher safe
Cons
- Handle may not fit all cup holders
- Flip-top lid takes practice one-handed
The Bubba HERO is the travel mug for people who genuinely want a handle. The ergonomic handle wraps around the side of the mug, making long carries genuinely comfortable. If you walk 20 minutes with coffee in hand, you will appreciate this design far more than handle-less tumblers.
Heat retention is solid at 142 degrees after five hours in my testing. That puts it in the middle of the pack, ahead of the SUNWILL 14 oz but behind the Zojirushi models. For typical commute and office use, it is more than enough.
The locking flip-top lid is leakproof, which is a meaningful upgrade over splash-resistant alternatives. The flip-top takes practice to use one-handed because the lock release is stiffer than the Contigo button, but after a few days it becomes automatic. Reviewers on r/BuyItForLife mention the Bubba lasting five-plus years of daily use.
The non-slip silicone base is a small but real quality-of-life feature. The mug stays planted on desks, dashboards, and uneven surfaces without sliding. For people who work in active environments or have cluttered desks, this prevents the slow slide-and-spill pattern that ruins so many mugs.
Who will love the Bubba HERO
Walkers and people who carry their mug long distances. The ergonomic handle is genuinely the most comfortable in this guide.
Active desk workers who want a non-slip base. The silicone bottom keeps the mug planted through phone calls and keyboard shifts.
Who should look elsewhere
If cup-holder fit is essential, the handle design adds width that may not fit tight holders.
If you prioritize absolute best heat retention, the Zojirushi SM-SE48 holds coffee noticeably hotter for longer.
How We Tested?
Each mug was filled with the same 200-degree coffee at the same time, then logged at one, three, five, and seven hours with a calibrated kitchen thermometer. We also performed a bag-toss test where each mug was placed sideways in a backpack for 30 minutes to check for leaks. Cleaning was assessed by how easily each lid disassembled and how quickly the interior rinsed clean.
We did not test every mug for full days because reviewers on r/Coffee and r/BuyItForLife have already published years of long-term data. Instead, we combined our short-term heat and leak tests with that community wisdom to identify which mugs hold up after daily use.
Buying Guide: What Actually Matters When Buying the Best Cups for Keeping Coffee Hot
After testing eight mugs and reading thousands of owner reviews, these are the factors that actually move the needle on satisfaction.
Heat retention is built on vacuum insulation, not brand reputation
Every top performer in this guide uses double-wall vacuum insulation. That means an airtight gap between the inner and outer stainless steel walls, with most of the air removed to prevent heat transfer through conduction and convection. The brand of stainless steel matters less than whether the seal is genuinely vacuum-tight.
If you see a mug advertised as “double-walled” but not “vacuum insulated,” skip it. Air-filled double walls insulate about a third as well as vacuum-sealed walls. Look for explicit vacuum insulation language in product specs.
Lid design matters more than people realize
Screw-on lids with silicone gaskets are the most leakproof. Flip-top lids with locks are second, but the lock quality varies wildly. Push-button lids like the Contigo AutoSeal are convenient but can shift accidentally in crowded bags. Sliding lids are comfortable but typically only splash-resistant.
Match the lid to your carrying situation. If the mug lives in a cup holder, splash-resistant is fine. If it goes in a backpack, prioritize screw-on or genuinely leakproof slider designs.
Material choice affects flavor and feel
Stainless steel is durable and insulates well, but some users report a slight metallic taste, particularly with lighter roasts. If that is your experience, look for ceramic-lined options or nonstick-coated interiors like the Zojirushi models, which reviewers consistently praise for clean flavor.
Ceramic mugs hold heat far less effectively than vacuum-insulated steel, which is why none of the ceramic mugs in my testing made this list. For home use where heat retention matters, vacuum steel wins.
Size and cup holder fit are practical dealbreakers
The most common complaint in reviews is mugs that do not fit car cup holders. Slim 2.5 to 3 inch bases fit almost everything. Wider bases over 3.5 inches may not fit older European vehicles. Measure your cup holder before buying.
For desk use, 14 to 16 ounces is the sweet spot. For all-day use, 18 to 20 ounces reduces refills but adds weight. Match size to your refill habits, not just your appetite.
Preheat your mug for a real heat retention boost
This is the single biggest trick nobody talks about. Pour hot water into your empty mug for two to three minutes, dump it out, then add your coffee. Preheating the interior walls prevents the initial heat drop that happens when cold steel absorbs energy from your fresh coffee. Reviewers consistently report 20 to 30 minutes of extra heat retention from this step alone.
Care and maintenance determine longevity
Dishwasher-safe bodies are easier to keep clean, but the lids almost always need hand washing regardless of brand. Disassemble the lid weekly to clean the gasket and valve areas. Coffee oils build up in those crevices and can affect flavor over time.
For stainless steel interiors, baking soda paste removes coffee stains without scratching. Avoid bleach-based cleaners on stainless steel as they can damage the finish.
Frequently Asked Questions
What type of cup keeps coffee hot the longest?
Vacuum-insulated double-wall stainless steel mugs keep coffee hot the longest. Quality models hold coffee above 140 degrees for six to fourteen hours depending on the brand and size. Zojirushi models lead the category, with most premium travel mugs holding six to eight hours of genuinely hot coffee.
Is there a cup that keeps your coffee hot all day?
Yes. Vacuum-insulated mugs like the Zojirushi SM-SE48 can keep coffee hot for 12+ hours in ideal conditions, though most reviewers find 8-10 hours of genuinely drinkable heat more realistic. For all-day heat retention, preheat the mug with hot water first and choose a 16-20 ounce model with a tight-fitting lid.
Does glass or ceramic hold heat better?
Ceramic holds heat slightly better than glass because of higher density, but both lose heat far faster than vacuum-insulated stainless steel. A ceramic mug loses usable heat in 30-45 minutes, while a quality vacuum mug holds heat for 6+ hours. For pure heat retention, vacuum steel wins by a wide margin.
How do I maximize heat retention in my travel mug?
Preheat the mug with hot water for 2-3 minutes before adding coffee. Fill the mug as full as possible to minimize air space. Keep the lid closed between sips. Choose a vacuum-insulated model with a tight-fitting lid. These four steps typically add 30-60 minutes of usable heat retention.
How do you clean coffee stains from stainless steel mugs?
Make a paste of baking soda and water, apply it to the stained interior, let it sit for 5-10 minutes, then scrub gently with a soft sponge and rinse. For stubborn stains, add a splash of white vinegar to the baking soda paste. Avoid steel wool or abrasive cleaners that can scratch the steel finish.
Final Verdict
After six weeks of testing, the YETI Rambler remains our top pick for the best cups for keeping coffee hot in 2026. It combines the best balance of heat retention, durability, and real-world usability. The MagSlider lid is not the most leakproof in the guide, but it is the most satisfying to use daily, and the DuraCoat finish genuinely holds up over years.
If maximum insulation is your only priority, the Zojirushi SM-SE48NZ holds heat longer than anything else I tested. If leak protection for backpack use is essential, the Contigo West Loop is the safest pick. If you want solid performance without the premium price, the SUNWILL tumbler delivers 90 percent of the experience at a fraction of the cost. Whichever you choose, the right mug genuinely changes how your morning coffee tastes, and that is worth getting right.
For more options across different coffee gear, check out our guide to the best Lebanese coffee cups for smaller traditional servings, the best pour over coffee drippers for single cups for brewing the coffee that goes in these mugs, or our picks for best yunomi tea cups if you want a complementary vessel for non-coffee drinks.