These extra-large bins offer a generous 42-Inch (3-1/2-feet) in length to store your larger items. The 42-Inch length ensures no wasted space on 42-Inch deep rack. 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. Eight 1/4-Inch drill holes on bottom of bin allow for drainage and air circulation if needed. These bins are waterproof and corrosion free. The bins are manufactured from heavy duty, virgin, high density, FDA approved polypropylene/polyethylene. The bin’s reinforced design adds strength and prevents spreading.