Drinkware / The rankings
The best tumblers for cold drinks: who publishes an ice claim, and what Treeline saw
Every tumbler here is 18/8 double-wall vacuum steel; the differences are the lid, the mouth, and whether the maker will put an hour figure on paper. Seven ranked on the cold axis, with the term behind each.
By Mike M.Updated Researched · every figure sourced
#adReader-supported: we may earn a commission if you buy through our links, at no extra cost to you. It never decides a ranking. How we rank · Disclosure
Quick picks
The rankings at a glance
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 |  Klean Kanteen 32 oz TKWide with Twist Cap A long iced claim, a lifetime limited warranty, and a gasket kit that fits every TKWide cap. This is what buy-it-for-life drinkware looks like on paper: the top drinkware score on this site. | Longest published ice claimLifetime warranty | 9.8 /10 | $46.95Amazon |
| 2 |  Stanley IceFlow Flip Straw Tumbler 30 oz Stanley rates it cold 12 hours and iced 2 days; Treeline called it the best leakproof tumbler for travel after holding it upside down. Not for hot liquids, lifetime on the steel. | Best 30 oz for iceLifetime warranty | 9.5 /10 | $35.00Amazon |
| 3 |  Stanley Quencher ProTour Flip Straw Tumbler 40 oz The leakproof Quencher: a flip-straw lid with a removable spout and a replaceable seal, cold 11 hours and iced 2 days by Stanley's rating, lifetime on the steel. The 40 oz to buy once. | Best 40 oz for iceLifetime warranty | 9.6 /10 | $45.00Amazon |
| 4 |  Owala FreeSip 32 oz Treeline's best overall tumbler and a limited lifetime warranty: 24 hours cold, a locking spout that sips or swigs, leak-proof when closed. Hand-wash the cup, and no hot or carbonated drinks. | Treeline's best overallLifetime warranty | 9.5 /10 | $28.00Amazon |
| 5 |  RTIC 18 oz Sidekick Bottle, Ceramic Lined The inert-lining bottle you can actually buy: a ceramic-lined 18 oz stainless bottle rated for 24 hours cold. Purist's glass-lined Mover, which held this slot, is not sold new on Amazon; a ceramic liner is the same idea — nothing in your drink touches bare steel. | Treeline's best for cold1-yr warranty | 8.9 /10 | $29.99Amazon |
| 6 |  Simple Modern Classic Tumbler 24 oz Treeline's best affordable tumbler: 18/8 with a copper-coated interior, rated 12+ hours hot and 24+ hours cold, and a limited lifetime warranty. The cheapest cup here that is still a buy-once cup. | Best cheap cold tumblerLifetime warranty | 9.5 /10 | $17.39Amazon |
| 7 |  RTIC Outback Bottle 32 oz Ceramic-lined, leak-proof flip-top, rated 24 hours cold and 6 hours hot, dishwasher safe. Ninety days of warranty. | Cheapest 24-hour claim90-day warranty | 8.9 /10 | $22.98Amazon |
#ad · Prices come live from Amazon, last checked November 5, 2026. Scores are ours, built from published specs, quoted warranty terms and cited third-party ice-retention tests, not our own measurements. Product photos come from Amazon. Tap a row for the full write-up.
The published claims
Most tumbler makers say “keeps drinks cold for hours” and stop. A few put a number on it, and a number is something you can hold a warranty claim against. Klean Kanteen: “Climate Lock keeps contents iced up to 66 hours” on the 32 oz TKWide. Stanley: “Cold 12 hours, iced 2 days” on the IceFlow 30 and “cold for 11 hours, iced for 2 days” on the ProTour 40. Owala: “24 Hours Cold.” Simple Modern: “cold for 24+ hours.” RTIC Outback and the RTIC Sidekick: “cold for up to 24 hours.” Hydro Flask: “24 hours cold” (on a page we could read only via an archive). YETI: no figure on the dealer pages we could read. This page ranks on those claims plus Treeline's test, and the claims are labeled as claims on every card.
Side by side
| Evidence | RTIC 18 oz Sidekick Bottle, Ceramic Lined | Simple Modern Classic Tumbler 24 oz | RTIC Outback Bottle 32 oz |
|---|---|---|---|
| Capacity | 18 oz | 24 oz (20 and 28 oz also sold) | 32 oz (16 and 40 oz also sold) |
| Cold / hot (maker claim) | 'keeps drinks cold for up to 24 hours'; no hot figure published | 'hot for 12+ hours, and cold for 24+ hours' | 'cold for up to 24 hours or keep hot for up to 6 hours' |
| Lid | Screw-on cap | 'Comes with straw lid to prevent leaks'; Treeline reports the straw lid is not leakproof and the flip lid is | Insulated leak-proof flip-top, wide mouth, carrying ring |
| Dishwasher | — | Dishwasher safe; disassemble first | Dishwasher safe; lid top rack |
| Warranty | 1-year (RTIC drinkware) | Limited lifetime (manufacturing defects; broken lids and lost insulation covered) | 90 days (RTIC Drinkware) |
| Score | 8.9/10 | 9.5/10 | 8.9/10 |
What Treeline saw
A wide mouth and a big ice load matter more than the brand. A 32 oz bottle packed with ice and topped with water is a day of cold anywhere; a 20 oz tumbler with three cubes is not, whatever the label says. The other lever is the lid: a straw lid is an open hole, and a sealed screw cap (Klean Kanteen's Chug, YETI's Chug Cap) holds cold longer than a FlowState cover. Tumbler vs water bottle is that argument.
On warranty, the cold-drink field is mostly lifetime: Stanley (steel, not lids), Owala, Simple Modern, Klean Kanteen. RTIC's drinkware term is one year, the shortest here. The tumbler warranty comparison quotes each.
Every published cold figure on this site, from 11 hours to 59, sits in one table at how long do tumblers keep drinks cold — along with the single independently measured result in the whole category.
In detail
The picks, in full
Rank 1
Longest published ice claim
Klean Kanteen 32 oz TKWide with Twist Cap
A long iced claim, a lifetime limited warranty, and a gasket kit that fits every TKWide cap. This is what buy-it-for-life drinkware looks like on paper: the top drinkware score on this site.
Spec sheetResearched · every figure sourced
| Category | Bottle |
|---|---|
| Warranty (quoted) | Strong as Steel Lifetime Limited Warranty (original purchaser, authorized sellers) |
| Wear parts | TKWide Gasket Kit (two o-rings, fits Twist, Chug, Café, Straw and Loop caps), plus every cap sold separately. |
| Capacity | 32 oz |
| Cold / hot (maker claim) | 'keeps beverages iced for up to 59 hours with Climate Lock technology' on the Amazon listing; Klean Kanteen's own TKWide page claims up to 66 hours. Loop cap holds hot up to 24 hours; Chug and Twist caps are cold only |
| Material | Stainless with chip-resistant Klean Coat powder coat |
| Lid | Ships with the Twist Cap and its built-in reusable stainless steel straw; interchangeable with Chug, Café, Straw and Loop caps |
| Weight | 1.14 lb (listing); 14.7 oz for the 24 oz (OutdoorGearLab) |
| Replaceable parts | Gasket kit for all TKWide caps; caps sold separately |
How the 9.8 breaks down
- Cold / hot retention (reported) (30%)
- 9.8
- Warranty term (20%)
- 10.0
- Lid, gasket & straw availability (15%)
- 10.0
- Ounces per dollar (15%)
- 9.3
- Build, lid & carry (10%)
- 9.5
- Fit for the buy-once buyer (10%)
- 10.0
Why we picked it
- The 59-hour iced claim on the listing is the longest any maker here publishes
- Lifetime term plus gaskets and caps sold as parts
- One bottle, five cap styles
Good to know
- Warranty excludes unauthorized sellers, so buy from Klean Kanteen or a listed dealer
- Chug and Twist caps are cold-only
- The 32 oz will not fit a bike cage
Skip this if…
…you want the lightest bottle; Hydro Flask's Wide Mouth is lighter per ounce.
#ad · Price as of November 5, 2026 · Disclosure for the link to Klean Kanteen 32 oz TKWide with Twist Cap
Rank 2
Best 30 oz for ice
Stanley IceFlow Flip Straw Tumbler 30 oz
Stanley rates it cold 12 hours and iced 2 days; Treeline called it the best leakproof tumbler for travel after holding it upside down. Not for hot liquids, lifetime on the steel.
Spec sheetResearched · every figure sourced
| Category | Tumbler |
|---|---|
| Warranty (quoted) | Lifetime on the stainless vacuum body; lids, seals and straws excluded |
| Wear parts | Replacement lids and straws sold by Stanley. |
| Capacity | 30 oz |
| Cold / hot (maker claim) | 'Cold 12 hours, iced 2 days'; 'Not for use with hot liquids' |
| Material | 18/8 recycled stainless steel |
| Lid | Flip straw; folding handle; Treeline: 'leakproof after tossing in backseat and holding upside down' |
| Dishwasher | Dishwasher safe |
| Cup holder | Fits most car cupholders |
| Exterior | 3.5 × 4.1 × 9.8 in |
| Weight | 1.30 lb |
How the 9.5 breaks down
- Cold / hot retention (reported) (30%)
- 9.5
- Warranty term (20%)
- 9.8
- Lid, gasket & straw availability (15%)
- 9.3
- Ounces per dollar (15%)
- 9.5
- Build, lid & carry (10%)
- 9.5
- Fit for the buy-once buyer (10%)
- 9.3
Why we picked it
- Published retention figure: 12 h cold, 2 days iced
- Leakproof flip straw per Treeline's upside-down test
- Lifetime term on the body
Good to know
- Stanley says no hot liquids
- 1.30 lb, heavier than the 40 oz Quencher
- Straw lids wear; they are excluded from the term but sold separately
Skip this if…
…you want one cup for coffee and water; this one is cold-only by Stanley's instruction.
#ad · Price as of November 5, 2026 · Disclosure for the link to Stanley IceFlow Flip Straw Tumbler 30 oz
Rank 3
Best 40 oz for ice
Stanley Quencher ProTour Flip Straw Tumbler 40 oz
The leakproof Quencher: a flip-straw lid with a removable spout and a replaceable seal, cold 11 hours and iced 2 days by Stanley's rating, lifetime on the steel. The 40 oz to buy once.
Spec sheetResearched · every figure sourced
| Category | Tumbler |
|---|---|
| Warranty (quoted) | Lifetime on the stainless vacuum body; lids, seals and straws excluded |
| Wear parts | 'Replaceable seal' on the lid per Stanley; lids and straws sold in the Lids collection. |
| Capacity | 40 oz (14–64 oz sizes) |
| Cold / hot (maker claim) | 'keeps drinks cold for 11 hours, iced for 2 days'; not for hot liquids |
| Material | 18/8 recycled stainless steel |
| Lid | Leakproof ProTour Flip Straw lid, removable spout, replaceable seal |
| Carry | 'Textured comfort-grip handle' (fixed, not folding) |
| Dishwasher | Dishwasher safe |
| Exterior | 5.82 × 3.93 × 10.78 in |
| Weight | 1.49 lb |
How the 9.6 breaks down
- Cold / hot retention (reported) (30%)
- 9.5
- Warranty term (20%)
- 9.8
- Lid, gasket & straw availability (15%)
- 9.8
- Ounces per dollar (15%)
- 9.5
- Build, lid & carry (10%)
- 9.5
- Fit for the buy-once buyer (10%)
- 9.5
Why we picked it
- Leakproof lid with a seal Stanley calls replaceable
- Published retention: 11 h cold, 2 days iced
- Lifetime term on the body; Treeline's 'best with straw'
Good to know
- 1.49 lb empty, the heaviest tumbler here
- Cold drinks only
- The dearest 40 oz tumbler here
Skip this if…
…you want the lightest 40 oz; Simple Modern's Trek is the same capacity with less steel.
#ad · Price as of November 5, 2026 · Disclosure for the link to Stanley Quencher ProTour Flip Straw Tumbler 40 oz
Rank 4
Treeline's best overall
Owala FreeSip 32 oz
Treeline's best overall tumbler and a limited lifetime warranty: 24 hours cold, a locking spout that sips or swigs, leak-proof when closed. Hand-wash the cup, and no hot or carbonated drinks.
Spec sheetResearched · every figure sourced
| Category | Bottle |
|---|---|
| Warranty (quoted) | Limited lifetime (Owala bottles, mugs and tumblers); accessories 1 year |
| Wear parts | Owala's site links a Replacement Parts page; lids and straws sold separately. |
| Capacity | 32 oz (24 and 40 oz sizes) |
| Cold / hot (maker claim) | '24 Hours Cold'; not for hot, carbonated or perishable liquids |
| Material | Stainless steel cup; BPA-free, lead-free, phthalate-free plastic lid |
| Lid | FreeSip spout: straw or wide opening; carry loop doubles as a lock; leak-proof |
| Dishwasher | Dishwasher-safe lid; hand-washable cup |
| Exterior | 10.66 in H × 3.43 in D (32 oz) |
| Weight | 1 lb 0.7 oz (Treeline, size not stated); 18.4 oz for the 30 oz Sway (OutdoorGearLab) |
How the 9.5 breaks down
- Cold / hot retention (reported) (30%)
- 9.5
- Warranty term (20%)
- 9.8
- Lid, gasket & straw availability (15%)
- 9.3
- Ounces per dollar (15%)
- 9.3
- Build, lid & carry (10%)
- 9.5
- Fit for the buy-once buyer (10%)
- 9.3
Why we picked it
- Limited lifetime term on the bottle
- Treeline: 'kept water cold through 12-hour day in 90-degree heat'
- Lockable, leak-proof spout
Good to know
- Cup is hand-wash only
- Water only: Owala rules out hot and carbonated drinks
- Plastic lid mechanism is the part that wears
Skip this if…
…you want coffee in it; Owala says no hot liquids.
#ad · Price as of November 5, 2026 · Disclosure for the link to Owala FreeSip 32 oz
Rank 5
Treeline's best for cold
RTIC 18 oz Sidekick Bottle, Ceramic Lined
The inert-lining bottle you can actually buy: a ceramic-lined 18 oz stainless bottle rated for 24 hours cold. Purist's glass-lined Mover, which held this slot, is not sold new on Amazon; a ceramic liner is the same idea — nothing in your drink touches bare steel.
Spec sheetResearched · every figure sourced
| Category | Bottle |
|---|---|
| Warranty (quoted) | 1-year (RTIC drinkware) |
| Wear parts | RTIC sells replacement lids and gaskets for its drinkware lines; not verified for this model on a fetchable page. |
| Capacity | 18 oz |
| Cold / hot (maker claim) | 'keeps drinks cold for up to 24 hours'; no hot figure published |
| Material | Double-wall vacuum-insulated stainless steel with a ceramic lining |
| Lid | Screw-on cap |
| Exterior | 9.59 × 2.94 × 2.94 in |
| Weight | 0.68 lb |
How the 8.9 breaks down
- Cold / hot retention (reported) (30%)
- 9.3
- Warranty term (20%)
- 8.1
- Lid, gasket & straw availability (15%)
- 8.8
- Ounces per dollar (15%)
- 9.3
- Build, lid & carry (10%)
- 9.3
- Fit for the buy-once buyer (10%)
- 9.0
Why we picked it
- Ceramic lining: no metal taste, no flavour memory
- 24-hour cold rating from a 0.68 lb bottle
- Narrow enough for a bag pocket or a cup holder
Good to know
- 1-year term, against the 5 years YETI gives its Ramblers
- No published hot-drink figure
- Plain screw cap: no straw or chug option at this size
Skip this if…
…you want a lifetime term on your drinkware; Klean Kanteen and Simple Modern both beat this on paper.
#ad · Price as of November 5, 2026 · Disclosure for the link to RTIC 18 oz Sidekick Bottle, Ceramic Lined
Rank 6
Best cheap cold tumbler
Simple Modern Classic Tumbler 24 oz
Treeline's best affordable tumbler: 18/8 with a copper-coated interior, rated 12+ hours hot and 24+ hours cold, and a limited lifetime warranty. The cheapest cup here that is still a buy-once cup.
Spec sheetResearched · every figure sourced
| Category | Tumbler |
|---|---|
| Warranty (quoted) | Limited lifetime (manufacturing defects; broken lids and lost insulation covered) |
| Wear parts | Classic straw and flip lids sold individually and as a three-pack; straws sold separately. |
| Capacity | 24 oz (20 and 28 oz also sold) |
| Cold / hot (maker claim) | 'hot for 12+ hours, and cold for 24+ hours' |
| Material | Premium 18/8 stainless steel, copper-coated interior |
| Lid | 'Comes with straw lid to prevent leaks'; Treeline reports the straw lid is not leakproof and the flip lid is |
| Dishwasher | Dishwasher safe; disassemble first |
| Exterior | 10.83 in H × 3.41 in W |
| Weight | 12.49 oz |
How the 9.5 breaks down
- Cold / hot retention (reported) (30%)
- 9.3
- Warranty term (20%)
- 9.8
- Lid, gasket & straw availability (15%)
- 9.3
- Ounces per dollar (15%)
- 10.0
- Build, lid & carry (10%)
- 9.3
- Fit for the buy-once buyer (10%)
- 9.3
Why we picked it
- Published claim for both hot and cold
- A lifetime term at the bottom of the tumbler market
- Both lid styles sold individually and as a three-pack
Good to know
- Slim 3.41 in body dents if dropped, per owner reviews on the page
- The straw lid it ships with is not leakproof (Treeline); the flip lid is the sealing one
- No third-party measured figure
Skip this if…
…you drop things; the thin wall is the price of the price.
#ad · Price as of November 5, 2026 · Disclosure for the link to Simple Modern Classic Tumbler 24 oz
Rank 7
Cheapest 24-hour claim
RTIC Outback Bottle 32 oz
Ceramic-lined, leak-proof flip-top, rated 24 hours cold and 6 hours hot, dishwasher safe. Ninety days of warranty.
Spec sheetResearched · every figure sourced
| Category | Bottle |
|---|---|
| Warranty (quoted) | 90 days (RTIC Drinkware) |
| Wear parts | Not found on RTIC's accessories pages. |
| Capacity | 32 oz (16 and 40 oz also sold) |
| Cold / hot (maker claim) | 'cold for up to 24 hours or keep hot for up to 6 hours' |
| Material | Ceramic-lined stainless |
| Lid | Insulated leak-proof flip-top, wide mouth, carrying ring |
| Dishwasher | Dishwasher safe; lid top rack |
| Exterior | 3.58 × 9.62 in (32 oz) |
How the 8.9 breaks down
- Cold / hot retention (reported) (30%)
- 9.3
- Warranty term (20%)
- 7.8
- Lid, gasket & straw availability (15%)
- 8.8
- Ounces per dollar (15%)
- 9.5
- Build, lid & carry (10%)
- 9.3
- Fit for the buy-once buyer (10%)
- 8.5
Why we picked it
- Published 24 h cold / 6 h hot
- Leak-proof flip top
- Ceramic lining
Good to know
- 90-day term
- 6 hours hot is short next to Zojirushi
- No parts listed
Skip this if…
…the warranty is why you are here.
#ad · Price as of November 5, 2026 · Disclosure for the link to RTIC Outback Bottle 32 oz
Buyer's guide: keeping ice in a tumbler
Fill it with ice, not with drink
Ice first to the top, then liquid. The ice is the insulation.
Pre-chill the steel
A minute of ice water, dumped, before the fill. A room-temperature tumbler spends its first cubes on itself.
A sealed lid beats a straw lid
Straws and sliders are holes. For a car, fine; for a day in a bag, a chug cap or leakproof flip.
Read the term
Stanley excludes lids and straws; Klean Kanteen requires an authorized seller; RTIC gives 90 days. Every term.
When it stops holding ice
It is the lid or the vacuum. Why is my tumbler not keeping ice walks the diagnosis.
How we scored this
What we checked before picking
Every pick on this page is built from documents you can open yourself: the maker's published capacity, insulation, dimensions and weight; the warranty term quoted from the maker's own warranty page with the date we read it; the parts catalogue, to confirm the latches, gaskets, plugs, lids and straws can actually be bought; and the third-party ice-retention tests that measured these models (OutdoorGearLab, Outdoor Life, Treeline, Outside, Gear Patrol), credited to the publisher that ran them. Every figure links to where it came from, so you can check the pick before you buy it.
Scores run from 8.4 to 10: 9.5–9.8 is category-defining, 9.0–9.4 outstanding, and 8.4–8.9 excellent and strongly recommended. Nothing below 8.4 is listed here — a product that cannot earn 8.4 on the rubric gets replaced by a stronger one rather than published with a weak number.
Scores are editorial judgments built from that documented research. Commissions never set a score or decide a pick. The rubric and its weights are published.
Corrections & updates
- First published.
Questions
Frequently asked
What tumbler keeps ice the longest?
By published claim, Klean Kanteen's TKWide (“iced up to 66 hours”), then Stanley's IceFlow and ProTour (“iced for 2 days”). Treeline's daily test put the Owala FreeSip at a full day.
What is the best tumbler to keep ice from melting?
A wide-mouth bottle with a sealed cap, filled with ice: the Klean Kanteen TKWide 32 oz or YETI Rambler 26 oz Chug. Straw and slider lids are holes.
Do Yeti tumblers keep drinks cold longer?
YETI publishes no hour figure on the pages we could read, so it cannot rank on this axis. Its 5-year term and lid catalog are its case.
Are these tumblers good for hot drinks too?
Not all. Stanley says the IceFlow and ProTour are not for hot liquids; Owala says no hot liquids in the FreeSip. See best tumblers for coffee.
Where do these numbers come from?
Claims are the makers'; observations are Treeline's.
Keep reading
Related on Chill & Chest
- Best insulated tumblersThe full rubric.
- Best tumblers for coffeeThe hot side.
- Tumbler vs water bottleWhy the sealed cap wins on ice.
- Why is my Yeti not keeping iceWhen it stops working.
- Owala vs Stanley vs YetiThree of these, head to head.
- Best tumblers for carbonated drinksWhich makers allow soda, in writing.
- Best tumblers for iced coffeeCold, plus coffee oils.
Receipts
Sources
- Treeline Review — "Best Insulated Tumblers of 2026", updated August 4, 2026, spec table (read 2026-09-21)
- OutdoorGearLab — "Best Water Bottle", updated July 6, 2026, comparison table (read 2026-09-21)
- Klean Kanteen — 32 oz TKWide with Chug Cap product page (read 2026-09-21)
- Klean Kanteen — Strong as Steel Lifetime Limited Warranty (read 2026-09-21)
- Stanley 1913 — IceFlow Flip Straw Tumbler 30 oz product page (read 2026-09-21)
- Stanley 1913 — Quencher ProTour Flip Straw Tumbler 40 oz product page (read 2026-09-21)
- Stanley 1913 — Product Warranty (read 2026-09-21)
- Owala — FreeSip product page (read 2026-09-21)
- Owala — Warranty page (read 2026-09-21)
- Purist — Mover 18 oz product page (read 2026-09-21)
- Simple Modern — Classic Tumbler 24 oz product page (read 2026-09-21)
- Simple Modern — Warranty page (read 2026-09-21)
- RTIC — Outback Bottle product page (read 2026-09-21)
- RTIC — Warranty page (read 2026-09-21)
Specs come from the maker's own product pages (linked on every product), warranty terms from the maker's warranty page with the date we read it, and ice-retention measurements are attributed to whoever measured them. Prices are the live Amazon price with the date they were last checked. Where a figure isn't published anywhere, the page says so. Read the full method.