THESE BINS ARE CONSTRUCTED OF EXTRA-STRONG INJECTION MOLDED POLYETHYLENE. THE HOPPER FRONT ALLOWS IMMEDIATE ACCESS AND VISIBILITY, WHILE RIBBED REINFORCED WALLS ENSURE SUPERIOR STRENGTH. FDA COMPLIANT RESIN & COLORANT. THEY FEATURE WIDE INTERLOCKING LEDGES FOR POSITIVE STACKING. IMPERVIOUS TO MOST SOLVENTS, CORROSION, RUST AND ROT RESISTANT. RESISTS TEMPERATURES FROM -40°F TO 180°F. LABEL HOLDERS ARE MOLDED IN. SOLD IN CARTON QUANTITIES.