Insulated Drinkware Tumblers, ranked by PFAS safety

Contigo

Byron 2.0 Stainless Steel Travel Mug Snapseal

Stainless steel, silicone gasket

A

B

PFASAll

Travel mug with lower PFAS concern; stainless steel typically safe.

✓Bare metal or glass, no coating at all

Thermos

Stainless King Travel Tumbler

Stainless steel exterior, vacuum-insulated, minimal internal coating

A

B

PFASAll

Lower concern. Stainless steel tumbler with standard design, no PFAS-prone features.

✓Bare metal or glass, no coating at all

Thermos

Stainless Steel Tumbler w/ Slide Lock Lid

Stainless steel tumbler with plastic slide lock lid

A

B

PFASAll

Lower concern. Stainless steel is PFAS-free; monitor lid material.

✓Bare metal or glass, no coating at all

Thermos

Stainless Steel Tumbler Slide Lock Lid

Stainless steel body, plastic/silicone lid

A

B

PFASAll

Lower concern. Stainless steel core is PFAS-free; lid material unclear.

✓Bare metal or glass, no coating at all

Thermos

Stainless King Tumbler

Stainless steel interior, plastic exterior lid

A

A

PFASAll

Lower concern. Bare stainless steel has no PFAS risk.

✓Bare metal or glass, no coating at all

Ello

Beacon Vacuum Insulated Stainless Steel Tumbler

Stainless steel and glass, vacuum insulated

A

B

PFASAll

Lower concern. Bare stainless steel and glass have minimal PFAS risk.

✓Bare metal or glass, no coating at all

Ello

Emma Vacuum Insulated Stainless Steel Kids Water Bottle 14oz

Stainless steel body, vacuum insulation, no surface treatment disclosed

A

B

PFASAll

Lower concern. Bare stainless steel water bottle with no coatings reported.

✓Bare metal or glass, no coating at all

Ello

30oz Stainless Steel Handled Tumbler 2pk Lemon/Blue Stripe

Stainless steel, no disclosed coating or treatment

A

B

PFASAll

Lower concern. Bare stainless steel tumbler, no special coatings disclosed.

✓Bare metal or glass, no coating at all

Calpak

40oz Stainless Steel Tumbler

Stainless steel, bare uncoated

A

B

PFASAll

Lower PFAS concern. Bare stainless steel has no coating risk.

✓Bare metal or glass, no coating at all

Zojirushi

Stainless Carry Tumbler

Stainless steel interior, plastic exterior

A

C

PFASAll

Lower concern. Bare stainless steel contact surfaces, no known PFAS risk.

✓Bare metal or glass, no coating at all

Zojirushi

Stainless Steel Travel Mug Zojirushi

stainless steel interior, plastic lid

A

C

PFASAll

Lower PFAS concern, stainless steel core.

✓Bare metal or glass, no coating at all

Zojirushi

Stainless Mug

stainless steel, no coating specified

A

B

PFASAll

Stainless steel mug, lower PFAS concern.

✓Bare metal or glass, no coating at all

Ello

Oasis Orange Daisy Tumbler

BPA-free plastic, stainless steel lid

B

D

PFASAll

Lower concern tumbler; plastic may contain PFAS additives, but no known PFAS surface treatments.

⚠Brand says nothing about PFAS

Contigo

Shake Go Tumbler

Plastic (BPA-free) and stainless steel interior

B

C

PFASAll

Lower concern. Plastic tumbler with no known PFAS-typical coatings.

⚠Brand says nothing about PFAS

Contigo

Streeterville Tumbler

Stainless steel with plastic lid

B

C

PFASAll

Likely lower concern, but Contigo offers no PFAS transparency.

⚠Brand says nothing about PFAS

Contigo

Streeterville Tumbler 40-oz

Stainless steel exterior, plastic/elastomer lid and base

B

C

PFASAll

Lower concern; stainless steel tumbler with no known PFAS-typical features.

⚠Brand says nothing about PFAS

Contigo

Autoseal West Loop 2.0 Travel Mug

Stainless steel body, plastic lid and components

B

C

PFASAll

Lower concern. No PFAS-prone coatings identified in typical design.

⚠Brand says nothing about PFAS

Contigo

SnapSeal Tumbler Champagne

Plastic tumbler (Tritan or similar copolyester) with rubber seal

B

D

PFASAll

Likely lower concern. Contigo drinkware uses common food-contact polymers, not Teflon-type coating coatings.

⚠Brand says nothing about PFAS

Thermos

24oz Insulated Cold Tumbler

Stainless steel and double-wall insulation

B

C

PFASAll

Lower PFAS concern. Stainless steel construction poses minimal chemical leaching risk.

⚠Brand says nothing about PFAS

Thermos

24oz Double WALL Tumbler

Stainless steel interior, plastic/polymer exterior

B

C

PFASAll

Lower concern, but brand discloses nothing on PFAS.

⚠Brand says nothing about PFAS

Ello

Oasis Tumbler

Tritan copolyester plastic

B

C

PFASAll

Lower concern. Tritan is inherently PFAS-free plastic.

⚠Brand says nothing about PFAS

Ello

Port 30oz Tumbler with Carry Loop & Integrated Handle

Stainless steel tumbler with plastic/elastomer lid and carry loop

B

C

PFASAll

Lower concern. Stainless steel core unlikely PFAS source.

⚠Brand says nothing about PFAS

Ello

Serene Bloom Tumbler

BPA-free plastic (Eastman Tritan copolyester)

B

C

PFASAll

Lower concern. No known PFAS use in standard plastic tumblers.

⚠Brand says nothing about PFAS

Calpak

CamelBak Horizon Tumbler

Stainless steel with plastic lid and gasket

B

C

PFASAll

Lower concern tumbler, but brand makes no PFAS disclosure.

⚠Brand says nothing about PFAS

Calpak

16oz Insulated Hot Tumbler

Stainless steel exterior, plastic/silicone interior

B

D

PFASAll

Lower concern. Stainless steel tumbler with no known PFAS-prone treatments.

⚠Brand says nothing about PFAS

Calpak

CamelBak Tumbler 16oz

Stainless steel with plastic lid/base

B

C

PFASAll

Lower concern; stainless steel core unlikely to contain PFAS.

⚠Brand says nothing about PFAS

Calpak

Insulated Tumbler 40oz

Stainless steel with vacuum insulation

B

C

PFASAll

Lower concern. Stainless steel tumbler unlikely to contain PFAS.

⚠Brand says nothing about PFAS

Calpak

Vacuum Insulated Tumbler (11 oz)

Vacuum-insulated stainless steel and plastic lid

B

C

PFASAll

Lower concern, typical insulated tumbler design.

⚠Brand says nothing about PFAS

Calpak

Sample - 12 oz. Sherpa Vacuum Tumbler and Slim Can Insulator - Autumn Orange

Stainless steel tumbler with sherpa fleece insulator

B

C

PFASAll

Lower concern. Stainless steel and fleece are inherently PFAS-free materials.

⚠Brand says nothing about PFAS

Zojirushi

Stainless Steel Vacuum Insulated Tumbler 0.72L

Stainless steel with vacuum insulation

B

D

PFASAll

Stainless steel construction poses lower PFAS concern.

⚠Brand says nothing about PFAS

Thermos

Guardian Stainless Steel Tumbler

Stainless steel interior, exterior coating unspecified

F

F

PFASAll

Lower concern, but Thermos lacks transparency on exterior coating.

⚠Stain-resistant finish

Calpak

20oz Double Wall Tumbler With Vacuum Sealer

Double-wall stainless steel or similar, internal coating unspecified

F

F

PFASAll

Unknown internal coating composition.

⚠Undisclosed proprietary coating

Contigo

Luxe Travel Mug

Stainless steel body with silicone lid gasket and rubber base; lid likely includes leak-proof coating

F

F

PFASAll

Stainless steel core lower concern; waterproof gaskets pose moderate PFAS uncertainty.

⚠Waterproof or stain-proof treatment

Ello

Leakproof Oasis Go+ Tumbler

Double-wall plastic tumbler with leakproof seal and thermal insulation

F

F

PFASAll

Plastic tumbler with no disclosed PFAS info.

⚠Waterproof or stain-proof treatment