Super Tuff Drawers are designed for efficient organization of heavy parts, supplies, tools or Equipment. Molded from a virgin grade high-impact polystyrene, with 12 gauge wall thickness, they are virtually unbreakable. FDA Compliant Resin & Colorant. Bins are waterproof as well as oil and chemical resistant. Smooth front curved pull handle allows ample room for identification labels or bar codes. 3/4" front handle opening offers convenient gripping. Full-width back ledge ensures spill free use. Optional dividers are full height for extra holding power and prevent mixing of parts. Has a total of 18 divider slots per bin to make a maximum of 19 compartments. Dividers sold separately.