Non-Toxic Insulated Drink Tumblers, ranked by PFAS grade
You may also be interested in
Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
143 of the 147 insulated drink tumblers PFAS Authority has graded reach its 70 point pass mark for PFAS and other toxins, 97.3% of the category, as of October 2026, and 4 score below it. The highest graded is Klean Kanteen 20oz TKWide with Café Cap, Tofu at 95 out of 100.
The full ranking is below, best-graded first, with every score linking to the evidence behind it.
Are insulated drink tumblers safe?
143 of the 147 insulated drink tumblers we graded come back low-concern on our screen and 4 do not. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.
Best graded insulated drink tumblers here
- 1Klean Kanteen 20oz TKWide with Café Cap, Tofu 95 out of 100
- 2Klean Kanteen 16oz Rise Tumbler 95 out of 100
- 3Klean Kanteen Insulated TKWide Cap 95 out of 100
Start here
The best non-toxic insulated drink tumblers, ranked by grade
Insulated Drink Tumblers, ranked.
The quickest read, what to skip and the top-graded picks worth buying instead.
Ember
Personalised Ember Cold Tumbler with name or text engraving
Insufficient transparency on internal coatings and seals for confident assessment.
MiiR
Climate+ Tumbler 12 oz
Lower concern; stainless steel tumbler with no known PFAS-associated features.
Klean Kanteen
20oz TKWide with Café Cap, Tofu
Brand PFAS statement on record, which we have not verified.
Why Klean Kanteen wins, and what it beats
Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 3 products it beats, so you can see exactly where the 60 points between the top and the bottom of this insulated drink tumblers ranking come from.
The winner
Made of Stainless steel bottle, stainless steel cap.
- +25Category baseline. The starting point for this type of product, before anything specific to this product is counted.
- -10Brand-stated PFAS-free. The brand states this product is PFAS-free. We have not verified the claim.
- -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.
5risk points in total, which is a grade of 95
What the grade does not fix. Nothing specific to this product adds risk, so what remains is the category baseline that every product here starts from, and our graders recorded 3 other hazards on it. See the full breakdown.
What it beats, and why
What puts it behind. No PFAS disclosure, +15 points. No public statement from the brand about PFAS in this product. The winner carries no such factor.
Made of Stainless steel body, no nonstick or special coating mentioned.
- +25Category baseline
- +15No PFAS disclosure
- -20Bare uncoated material. Recorded as a bare, uncoated material with no surface coating or treatment.
20risk points, a grade of 80
What puts it behind. No PFAS disclosure, +15 points. No public statement from the brand about PFAS in this product. The winner carries no such factor.
Made of borosilicate glass.
- +25Category baseline
- +15No PFAS disclosure
- -10Base material not linked to PFAS
30risk points, a grade of 70
What puts it behind. Unknown / proprietary coating, +25 points. A coating is recorded with no disclosed chemistry. The winner carries no such factor.
Made of stainless steel with unspecified internal coating/sealant.
- +25Category baseline
- +25Unknown / proprietary coating
- +15No PFAS disclosure. No public statement from the brand about PFAS in this product.
65risk points, a grade of 35
No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.
Which insulated drink tumblers are PFAS-free? Good or Excellent, best-graded first
- Stainless steel bottle, stainless steel cap
- The brand calls it PFAS-free, which we have not verified
- Powder-coat cap degradation over time
3 hazards checked on this product, all on its full breakdown.
- Stainless steel body, powder-coat finish
- The brand calls it PFAS-free, which we have not verified
- Powder-coat finish degradation
3 hazards checked on this product, all on its full breakdown.
- Stainless steel bottle, plastic cap and silicone gasket
- The brand calls it PFAS-free, which we have not verified
- Silicone gasket degradation and leaching
3 hazards checked on this product, all on its full breakdown.
- 18/8 stainless steel body, likely stainless steel or silicone lid
- The brand calls it PFAS-free, which we have not verified
- Nickel leaching from stainless steel
2 hazards checked on this product, all on its full breakdown.
- Stainless steel body, plastic cap
- The brand calls it PFAS-free, which we have not verified
- Plastic cap degradation from heat stress
2 hazards checked on this product, all on its full breakdown.
- Stainless steel body, likely polypropylene or polyester straw lid
- The brand calls it PFAS-free, which we have not verified
- Polypropylene lid and straw thermal stability
2 hazards checked on this product, all on its full breakdown.
- Stainless steel body, vacuum insulation
- We found no PFAS statement from the brand
- Seal and gasket material degradation
2 hazards checked on this product, all on its full breakdown.
- Stainless steel tumbler with rubber soft grip
- We found no PFAS statement from the brand
- Rubber grip degradation
2 hazards checked on this product, all on its full breakdown.
- Stainless steel interior, vacuum insulation, unspecified lid/exterior coating
- We found no PFAS statement from the brand
- Lid coating or sealant composition (unspecified)
3 hazards checked on this product, all on its full breakdown.
- Stainless steel body, no nonstick or special coating mentioned
- Seal and gasket degradation
- Stainless steel construction, no Teflon-family coating
- Silicone gasket degradation
2 hazards checked on this product, all on its full breakdown.
- Stainless steel tumbler, bare metal
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel alloy
2 hazards checked on this product, all on its full breakdown.
- Stainless steel interior and exterior, no coating disclosed
- Elastomer gasket and closure degradation
3 hazards checked on this product, all on its full breakdown.
- Stainless steel (uncoated interior and exterior)
- Nickel leaching from stainless steel
2 hazards checked on this product, all on its full breakdown.
- Stainless steel, no coating disclosed
- We found no PFAS statement from the brand
- Bacterial growth in crevices
- stainless steel with silicone lid gasket
- Silicone gasket degradation and off-gassing
3 hazards checked on this product, all on its full breakdown.
Stainless Steel Vacuum Insulated Travel Mug
- stainless steel, vacuum-insulated construction
- We found no PFAS statement from the brand
- Stainless steel alloy leaching (nickel)
2 hazards checked on this product, all on its full breakdown.
Stainless Steel Vacuum Insulated Travel Mug with Rope
- stainless steel interior, rope handle
- We found no PFAS statement from the brand
- Rope handle fiber degradation or contamination
2 hazards checked on this product, all on its full breakdown.
- Stainless steel, no surface treatment disclosed
- Nickel leaching from stainless steel
3 hazards checked on this product, all on its full breakdown.
- Stainless steel mug, no documented PFAS-containing coating
- Plastic seal and gasket degradation
2 hazards checked on this product, all on its full breakdown.
- Stainless steel, no disclosed coating or treatment
- We found no PFAS statement from the brand
- Lid or handle material composition
3 hazards checked on this product, all on its full breakdown.
- stainless steel, uncoated
- We found no PFAS statement from the brand
- Trace nickel or chromium leaching
2 hazards checked on this product, all on its full breakdown.
- stainless steel tumbler, no nonstick or waterproof coating documented
- We found no PFAS statement from the brand
- Gasket/seal material degradation
3 hazards checked on this product, all on its full breakdown.
- recycled stainless steel, no known coating
- Seal and gasket off-gassing (rubber or silicone)
2 hazards checked on this product, all on its full breakdown.
- 80Simple Modern OSU Vacuum Insulated Stainless Steel Tumblers
- 80Zojirushi Stainless Steel Travel Mug Zojirushi
- 80Zojirushi 27 oz. Stainless Mug/Water Bottle with Lid Handle
- 80Zojirushi 27oz Stainless Steel Tumbler
- 80Zojirushi Stainless Mug
- 80 40oz Stainless Steel Tumbler
- 80Contigo Ashland Chill 2.0 Stainless Steel Water Bottle
- 80Contigo Byron 2.0 Stainless Steel Travel Mug Snapseal
- 80Contigo SnapSeal Leakproof Stainless Steel Water Bottle
- 80Cupture TWIST-TOP Vacuum-Insulated Stainless Steel Travel Mug
- 80Ello Beacon Vacuum Insulated Stainless Steel Tumbler
- 80Ozark Trail 18 oz Stainless Steel Insulated Tumbler with Handle and Flip-Straw Lid
- 80Ozark Trail 18oz Vacuum-Insulated Stainless Steel Tumbler
- 80Ozark Trail 22 oz Vacuum Insulated Stainless Steel Tumbler
- 80Ozark Trail 30oz Vacuum-Insulated Stainless Steel Tumbler
- 80Thermos Stainless King Tumbler
- 80Thermos Stainless King Travel Tumbler
- 80Thermos Stainless Steel Tumbler w/ Slide Lock Lid
- 80Zojirushi Stainless Carry Tumbler
- 80Zojirushi Stainless Cool Bottle
- 80Zojirushi Stainless Steel Travel Mug
- 80Zojirushi Stainless Tumbler
- 80Zojirushi Stainless Vacuum Insulated Tumbler
- 80Contigo Ashland Chill 2.0 Insulated Stainless Steel Water Bottle
- 80Ozark Trail 32 oz Insulated Stainless Steel Tumbler
- 80CUPKIN Stainless Steel Insulated Tumbler with Lid and Straw
- 80Cupture Stainless Steel Skinny Insulated Tumbler Cup with Lid and Reusable Straw
- 80Mira Stainless Steel Vacuum Insulated Tumbler Flip Lid
- 80Ozark Trail Insulated Stainless Steel Travel Tumbler with Handle and Flip Straw Lid
- 80Thermos Stainless Steel Tumbler Slide Lock Lid
- 70Anchor Tumbler Cup 30oz
- 70Arctic Zone Titan Thermal HP Copper Tumbler 20oz
- 70Owala SmoothSip Slider Stainless Steel
- 70Simple Modern Signature Classic Tumbler
- 70Zojirushi Stainless Steel Vacuum Insulated Tumbler 0.72L
- 70Elanze Designs Howdy Cowboy Cowgirl Cactus Wild West Travel Tumbler
- 70 Insulated Tumbler 40oz
- 70Coleman Insulated Bottle 1.75 qt
- 70Corkcicle Sport Canteen
- 70Mira Insulated Wall Vacuum Stainless Steel Water Bottle Tumbler 17oz
- 70Simple Modern Harry Potter 40 oz Tumbler
- 70Stanley Everyday 16 oz Tumbler
- 70Thermos 24oz Insulated Cold Tumbler
- 70Zojirushi SX-FSE45AD Stainless Vacuum Insulated Tumbler
- 70Cupture Vacuum Insulated Pint Cup
- 70Stanley Quencher Tumbler
- 70 40oz Stainless Steel Flip Straw Tumbler Spill Proof Travel Cup Double Wall Vacuum Insulated Coffee Mug with Top Handle
- 70Anchor Engraved Insulated Tumbler with Anchor, Navy
- 70Arctic Zone 1600-39 - Titan Thermal HP Tumbler 24oz
- 70Arctic Zone 20 oz Titan Thermal HP Tumbler
- 70Arctic Zone Titan Thermal HP Straw Tumbler
- 70Arctic Zone Titan Thermal HP Tumbler
- 70 16oz Insulated Hot Tumbler
- 70CamelBak Horizon Tumbler
- 70CamelBak Tumbler 16oz
- 70 Sample - 12 oz. Sherpa Vacuum Tumbler and Slim Can Insulator - Autumn Orange
- 70 Vacuum Insulated Tumbler (11 oz)
- 70Coleman 24 Oz Coleman Freeflow Bottle
- 70Coleman Autospout Switch Stainless Steel Insulated Water Bottle
- 70Coleman Brew Insulated Stainless Steel Tumbler
- 70Coleman Tumbler Outdoor Vacuum Insulated Water Bottle 750ml
- 70Contigo AutoSeal Water Bottle Champagne
- 70Contigo Autoseal West Loop 2.0 Travel Mug
- 70Contigo DualSip Leakproof Insulated Water Bottle 2-Way Lid
- 70Contigo Shake Go Tumbler
- 70Contigo Streeterville Tumbler
- 70Contigo Streeterville Tumbler 40-oz
- 70Corkcicle 16 oz Matte Black Canteen
- 70Corkcicle Canteen
- 70Corkcicle Cruiser
- 70Corkcicle Go Cup XL 30oz Mauve
- 70Corkcicle TUMBLER
- 70Corkcicle Leakproof Cruiser Insulated Tumbler with Handle
- 70Frost Buddy Bottle Buddy 32oz
- 70Hydro Flask All Around Travel Tumbler
- 70HydroJug Everyday Tumbler
- 70Igloo 32 oz Flip n Sip Travel Mug
- 70Cupture 16 oz Vacuum Insulated Pint Cup
- 70Cupture Insulated Wine Tumbler Cup with Drink-Through Lid (10 oz, 8 Pack)
- 70Cupture Stemless Wine Tumblers 12 oz Vacuum Insulated Mug with Lids
- 70Cupture Travel Tumbler
- 70Ello Oasis Orange Daisy Tumbler
- 70Ello Oasis Tumbler
- 70Ello Port 30oz Tumbler with Carry Loop & Integrated Handle
- 70Ello Serene Bloom Tumbler
- 70Ember Cold Tumbler
- 70Ember Cup 14 oz Slate Black
- 70Ember Tumblers - Set of 4
- 70Hydro Flask 20 oz All Around Tumbler
- 70Hydro Flask All Around Tumbler Straw Lid
- 70Hydro Flask Tumbler
- 70MiiR 360 Traveler
- 70S'well Traveler with Flip Straw Lid 16oz
- 70Simple Modern Classic Tumbler with Straw & Flip Lid
- 70Simple Modern Travel Coffee Mug Tumbler with 360 Lid Ceramic-Lined Insulated Stainless Steel Cold Brew Iced Coffee Cup T
- 70Simple Modern Trek Pivot 30oz Flip Straw Tumbler
- 70Simple Modern Trek Tumbler
- 70Simple Modern Voyager Tumbler Signature
- 70Stanley Dining Stanley X Calia Quencher Tumbler
- 70Stanley H2.0 Flowstate Quencher Tumbler
- 70Stanley IceFlow Flip Straw Tumbler
- 70Stanley Quick Flip Go Bottle
- 70Thermos 24oz Double WALL Tumbler
- 70Thermos Guardian Stainless Steel Tumbler
- 70Yeti 30 oz YETI Rambler Tumbler
- 70Yeti Rambler Bottle Chug Cap YETI
- 70Yeti Rambler 20 oz Stackable Cup in Olive/King Crab Orange
- 70Zojirushi GoCafe Insulated Mug
- 70Zojirushi Stainless Carry Tumbler with Pop-up Straw
- 70Contigo SnapSeal Tumbler Champagne
- 70Cupture Crystal Click Seal Shake Tumbler Cup for Hot or Cold Drinks
- 70 32 oz Sierra Spout Lid Handle Lid
- 70Anchor Tervis Ol' Time Maritime Boating Collection Anchor Down Insulated Travel Tumbler
- 70Contigo Luxe Travel Mug
- 70Ello Leakproof Oasis Go+ Tumbler
- 70MiiR REI Co-op MiiR 360 Traveler - 20 fl. oz. Pink
- 70Arctic Zone Titan Thermal HP Mug
- 70Arctic Zone 20 oz Arctic Zone Titan Thermal Hp Travel Tumbler (Matte Navy)
- 70 20oz Double Wall Tumbler With Vacuum Sealer
Which insulated drink tumblers contain PFAS? Poor and Bad, we’d swap these
- stainless steel with unspecified internal coating/sealant
- We found no PFAS statement from the brand
- Unspecified internal coating degradation
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Stainless steel body, proprietary internal coating
- We found no PFAS statement from the brand
- Internal coating leaching or degradation
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Stainless steel body, electronic heating element, proprietary interior coating
- We found no PFAS statement from the brand
- Proprietary interior coating leaching (unknown chemistry)
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Stainless steel body, unspecified internal coating or lid seals
- We found no PFAS statement from the brand
- Internal coating composition (unspecified)
3 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonGet the graded list, free.
The products we score each week, and the best-graded alternative in every category.
No spam. Unsubscribe anytime.