Control inventories, shorten assembly times and minimize parts handling Heavy-duty bins securely stack atop each other, or sit on shelving. Molded of high-density polypropylene, bins are unaffected by weak acids and alkalis. Sturdy, 1-piece construction is waterproof, rustproof, and corrosionproof. Autoclavable up to 250degreesF. Take back valuable floor space by maximizing parts storage and handling efficiency. Akro-Mils Heavy-Duty Stackable Storage Bin, 12in. x 18 2/5in. x 29 1/4, Blue is one of many Tool Storage available through Office Depot. Made by Akro-Mils.