These extra-large bins offer a generous 42 (3-1/2 Feet) in length to store your larger items. 42 length ensures no wasted space on 42 deep rack. FDA Compliant Resin & Colorant. Heavy-duty front, back and side grips allow for easy handling. Wide stacking ledge and anti-slide lock keep stack bins steady and prevent forward shifting. They have eight ¼ drill hole pattern on bottom of bin for easy hole insertion for drainage and air circulation if needed. Waterproof bins are corrosion free. Bins have flat fronts that accept an adhesive type label to allow easy identification. Bins cannot be hung on louver panels or rail systems.