Cortland Chill 2.0 Stainless Steel Water Bottle vs Elevation 20 Tumbler: which is safer?

OtterBox Elevation 20 Tumbler is our pick: better on PFAS and on the overall hazard picture.

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

Our pick

OtterBox

Elevation 20 Tumbler

PFAS grade

B 80/100

Overall grade

D 68/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Stainless steel tumbler with powder coat or polyester exterior

Confidence

75%

PossiblePowder coat or polyester exterior degradation

PossibleStainless steel leaching (nickel)

PossibleMold and bacterial growth in seals

Why this gradeBuy

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