The Ropak® 40 x 48 x 39 collapsible bulk container, with a 2,000 lb.-capacity, is made from, high-density polyethylene, and built for long life, reliable service, and repeated use. The reusable bulk box is stackable, and easy to assemble and knock down. Two drop doors allow for easy access to contents. Pallet-style base provides 4-way forklift and pallet jack access for safe, efficient handling. The 4:1 return ratio increases storage efficiency and cuts inbound shipping costs. It's ideal for storing and handling small and heavy parts. 100% recyclable. Black color. Optional lid.