Quantum shelf bin system comes complete with 30 durable plastic bins. Economical small parts storage system keeps parts easily accessible. Open hopper front bins with label area provide fast access to stored items. Rear "V" lock enables bins to be hung from shelf above when in use. Bins have reinforced design to add strength and prevent spreading. Made of heavy-duty high density FDA approved polypropylene and autoclavable up to 250°F. Heavy-duty 22-gauge steel shelving offers a 400-lb. capacity per shelf. Gray baked enamel finish will not rust or corrode. Bins are 11 5/8in.L x 6 5/8in.W x 4in.H each. Shelf rack is 36in.W x 12in.D x 39in.H. Bins are available in Blue, Yellow, Red, Ivory, Green and Black.