Ergo-Tech Macro KB Mini Belt Carrying Bag vs Alta Fly 55T G2 Rolling Backpack: which is safer?

Kata Ergo-Tech Macro KB Mini Belt Carrying Bag is the clear pick. Vanguard Alta Fly 55T G2 Rolling Backpack carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Kata

Ergo-Tech Macro KB Mini Belt Carrying Bag

PFAS grade

B 85/100

Overall grade

C 73/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Nylon and polyester fabric with unspecified hardware

Confidence

62%

PossibleHeavy metals in unspecified hardware

PossibleThermal degradation of polyester and nylon

PossibleMicroplastic shedding from synthetic fabric

Why this gradeBuy

Vanguard

Alta Fly 55T G2 Rolling Backpack

PFAS grade

F 40/100

Overall grade

F 18/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Ballistic nylon with water-repellent coating water-resistant coating

Confidence

45%

Possiblewater-repellent coating degradation and leachables

ReportedPolyester fiber shedding and microfiber release

PossibleAdhesive or glue off-gassing from seams and zippers

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 camera & gear bags: see the full ranking