Create a small parts storage center by lining your standard 12", 18", or 24"D shelving with these durable polypropylene bins. QUANTUM Shelf bins are constructed of plastic material, which resists moisture, grease and oil and most chemicals. Reinforced side ribs prevent wall collapse when fully loaded. Wide hopper front features slotted label holder for easy content identification. Order bins in quantities specified, priced each. Made in USA.