Made from Polypropylene Copolymer. Strong rear lip for use with louvre panels. Strong heavy duty reinforced base, sides & stackingrim. Resistance to most industrial solvents, withstands higher temperature. Clear access to contents. All bins with identification card holders. Incorporates a safety stop feature in SB - 4 / 5 / 6 at the back for use in shelves. © Copyright 2013 All rights reserved.