Insulated Drink Tumblers & Travel Mugs, ranked by PFAS safety

16 products graded A to F, safest first. 3 earn a C or better and are worth buying.

Bad · Better · Best insulated drink tumblers & travel mugs

The quickest read: what to skip and the top-graded picks worth buying instead.

AvoidF
Contigo Superior 2.0 Travel Mug

Contigo

Contigo Superior 2.0 Travel Mug

15/100 safety

Skip until Contigo discloses interior coating composition.

BetterC
Contigo Autoseal West Loop Stainless Steel Travel Mug

Contigo

Contigo Autoseal West Loop Stainless Steel Travel Mug

75/100 safety

Lower concern. Stainless steel and silicone have minimal PFAS risk.

Best pickB
Rambler Tumbler YETI

Yeti

Rambler Tumbler YETI

80/100 safety

Lower concern. Bare stainless steel tumbler, no known PFAS risk.

Worth buying graded C or better, safest first

Rambler Tumbler YETI

Yeti

Rambler Tumbler YETI

18/8 stainless steel, no coating

B
C
PFASAll
B · Low PFAS1 flag

Lower concern. Bare stainless steel tumbler, no known PFAS risk.

Risky category by default

Contigo Autoseal West Loop Stainless Steel Travel Mug

Contigo

Autoseal West Loop Stainless Steel Travel Mug

stainless steel body, silicone gasket/lid seal

C
C
PFASAll
C · Moderate1 flag

Lower concern. Stainless steel and silicone have minimal PFAS risk.

Risky category by default

Contigo Cortland Chill 2.0 Stainless Steel Water Bottle

Contigo

Cortland Chill 2.0 Stainless Steel Water Bottle

stainless steel, no reported coating

C
F
PFASAll
C · Moderate3 flags

Lower PFAS concern. Bare stainless steel bottle, no known problematic coatings.

Risky category by default

Graded and flagged D and F, we’d swap these

Contigo Byron 2.0 Insulated Travel Mug

Contigo

Byron 2.0 Insulated Travel Mug

Stainless steel exterior, BPA-free plastic lid and interior

D
D · Elevated

Lower concern. Stainless steel core unlikely to contain PFAS.

Risky category by default

Contigo West Loop 3.0 Stainless Steel Travel Mug with AUTOSEAL Lid

Contigo

West Loop 3.0 Stainless Steel Travel Mug with AUTOSEAL Lid

stainless steel, polymer lid

D
D · Elevated

Stainless steel body lower concern; lid polymer unspecified.

Risky category by default

Contigo West Loop 2.0 Travel Mug 2-Pack

Contigo

West Loop 2.0 Travel Mug 2-Pack

Stainless steel exterior, plastic interior lid/valve

D
D · Elevated

Lower concern; stainless travel mug with no PFAS disclosure needed.

Risky category by default

Contigo Kids Leighton Spill-Proof Stainless Steel Tumbler with Straw

Contigo

Kids Leighton Spill-Proof Stainless Steel Tumbler with Straw

Stainless steel tumbler, plastic straw lid

D
D · Elevated

Lower concern for PFAS. Stainless steel inherently safer than coated cookware.

Risky category by default

YETI Rambler Stackable Cup with MagSlider Lid

Yeti

Rambler Stackable Cup with MagSlider Lid

Stainless steel body, elastomer lid seal

D
F
PFASAll
D · Elevated2 flags

Lower concern. Stainless steel cup has no known PFAS risks.

Risky category by default

YETI Rambler Jr. 10 oz Tumbler with Straw Lid

Yeti

Rambler Jr. 10 oz Tumbler with Straw Lid

stainless steel interior with plastic lid and straw

D
F
PFASAll
D · Elevated4 flags

Lower concern, but YETI discloses nothing about PFAS in lids.

Risky category by default

YETI Rambler Stackable Cup 20 oz. Rescue Red

Yeti

Rambler Stackable Cup 20 oz. Rescue Red

18/8 stainless steel interior and exterior

D
F
PFASAll
D · Elevated1 flag

Lower concern. Stainless steel drinkware rarely contains PFAS.

Risky category by default

YETI Rambler 20 oz Stackable Cup

Yeti

Rambler 20 oz Stackable Cup

Stainless steel cup body

D
F
PFASAll
D · Elevated1 flag

Stainless steel cup, no known PFAS risk.

Risky category by default

YETI Rambler 12 oz Travel Bottle

Yeti

Rambler 12 oz Travel Bottle

Stainless steel interior, vacuum insulated, plastic/rubber components

D
F
PFASAll
D · Elevated2 flags

Lower concern. Stainless steel core unlikely PFAS source.

Risky category by default

YETI Rambler 26 oz Bottle Straw Cap

Yeti

Rambler 26 oz Bottle Straw Cap

Stainless steel bottle, plastic straw cap

D
F
PFASAll
D · Elevated3 flags

Lower concern. Stainless steel and hard plastics pose minimal PFAS risk.

Risky category by default

YETI Rambler 18 oz Water Bottle with Straw Cap in Cape Taupe

Yeti

Rambler 18 oz Water Bottle with Straw Cap in Cape Taupe

18/8 stainless steel interior and exterior with plastic straw cap

D
F
PFASAll
D · Elevated3 flags

Lower concern. Stainless steel bottle unlikely to contain PFAS, but cap not disclosed.

Risky category by default

West Loop 2.0 Leak-Proof Spill-Proof Insulated Travel Mug

Contigo

West Loop 2.0 Leak-Proof Spill-Proof Insulated Travel Mug

Stainless steel with unspecified waterproof/leak-proof coating

F
F · High PFAS

Skip until Contigo discloses leak-proof coating composition.

Waterproof or stain-proof treatment

Contigo Superior 2.0 Travel Mug

Contigo

Superior 2.0 Travel Mug

stainless steel with unspecified interior coating

F
F · High PFAS

Skip until Contigo discloses interior coating composition.

Nonstick, coating undisclosed

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