Manresa 33L Backpack vs Trailgate Gear Bin Green 140 L: which is safer?

REI Co-op Trailgate Gear Bin Green 140 L is our pick: better on PFAS and on the overall hazard picture.

Columbia

Manresa 33L Backpack

PFAS grade

F 20/100

Overall grade

F 12/100

Verdict

Skip

Hazard flags

⚑ 2

Material

nylon with water-repellent coating water-repellent coating

Confidence

45%

Possiblewater-repellent coating degradation and reapplication risk

PossibleMicroplastics shedding

Why this grade

Our pick

REI Co-op

Trailgate Gear Bin Green 140 L

PFAS grade

D 65/100

Overall grade

F 53/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Polypropylene storage bin, no water-resistant coating mentioned

Confidence

78%

PossibleUV degradation and additive leaching

PossibleMicroplastics from mechanical wear

PossibleOdor and volatile organic compounds from manufacturing

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 portable outdoor gear bags: see the full ranking