Cortland Chill 2.0 Stainless Steel Water Bottle vs Rambler 18 oz Water Bottle with Straw Cap in Cape Taupe: which is safer?

Contigo Cortland Chill 2.0 Stainless Steel Water Bottle is the clear pick. YETI Rambler 18 oz Water Bottle with Straw Cap in Cape Taupe carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Contigo

Cortland Chill 2.0 Stainless Steel Water Bottle

PFAS grade

C 75/100

Overall grade

F 63/100

Verdict

Buy

Hazard flags

⚑ 3

Material

stainless steel, no reported coating

Confidence

82%

PossibleGasket and seal degradation

PossibleBacterial growth in inaccessible spaces

PossibleThermal stress and seal failure

Why this gradeBuy

Yeti

Rambler 18 oz Water Bottle with Straw Cap in Cape Taupe

PFAS grade

D 65/100

Overall grade

F 47/100

Verdict

Skip

Hazard flags

⚑ 3

Material

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

Confidence

72%

PossiblePlastic cap material identity and leaching

ReportedBacterial and mold growth in cap and straw

PossibleCap degradation and microplastic shedding

Why this grade

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More insulated drink tumblers & travel mugs: see the full ranking