Systems Quantum Storage Plastic Parts Drawer Cabinet vs K470 Aluminum Storage Case 40845: which is safer?

zarges K470 Aluminum Storage Case 40845 is our pick: better on PFAS and on the overall hazard picture.

Quantum Storage

Systems Quantum Storage Plastic Parts Drawer Cabinet

PFAS grade

B 85/100

Overall grade

C 73/100

Verdict

Buy

Hazard flags

⚑ 3

Material

polypropylene plastic

Confidence

72%

PossiblePolypropylene thermal degradation

PossibleMicroplastic shedding from mechanical wear

PossibleUV-induced brittleness (outdoor or window-proximate use)

Why this gradeBuy

Our pick

Zarges

K470 Aluminum Storage Case 40845

PFAS grade

B 85/100

Overall grade

C 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Aluminum with rubber gasket/hinges

Confidence

78%

PossibleAluminum corrosion and leaching

PossibleBacterial or mold growth in seal

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 jewelry cases & organizers: see the full ranking