16oz Perk Insulated Stainless Steel Leak Proof Coffee Tumbler vs Halo Tumbler: which is safer?

Reduce Halo Tumbler is the clear pick. Reduce 16oz Perk Insulated Stainless Steel Leak Proof Coffee Tumbler carries a failing PFAS grade, and we never recommend buying a failing product.

Reduce

16oz Perk Insulated Stainless Steel Leak Proof Coffee Tumbler

PFAS grade

F 40/100

Overall grade

F 28/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Stainless steel with lid coating, leak-proof treatment unspecified

Confidence

42%

PossibleLid and gasket composition (undisclosed polymers/coatings)

PossibleThermal degradation of coatings

PossibleBacterial growth in seal channels

Why this grade

Our pick

Reduce

Halo Tumbler

PFAS grade

A 100/100

Overall grade

A 92/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Stainless steel and plastic lid

Confidence

72%

PossiblePlastic lid degradation and replacement

PossibleMicrobial growth in double-wall design

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: see the full ranking