Chiller Cooler vs Black Hole MLC Cube: which is safer?

Coleman Chiller Cooler is the clear pick. Patagonia Black Hole MLC Cube carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Coleman

Chiller Cooler

PFAS grade

B 85/100

Overall grade

C 73/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Plastic (polypropylene) cooler body, foam insulation

Confidence

72%

PossiblePolyurethane foam off-gassing

PossibleMicrobial growth in insulation

PossibleDegradation and microplastic shedding

Why this gradeBuy

Patagonia

Black Hole MLC Cube

PFAS grade

F 40/100

Overall grade

F 28/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Nylon fabric with water-repellent coating (water-repellent coating) treatment

Confidence

45%

Possiblewater-repellent coating treatment chemistry (PFAS status unconfirmed)

PossibleMicrofiber shedding from nylon fabric

PossibleDegradation of coatings over time

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 waterproof outdoor gear storage: see the full ranking