The PRO-TOTE is

manufactured using the most modern injection molding technology and of heavy plastic designed for outside or inside use. Special chemicals have been added to prevent ultra violet light from weakening the plastic. PRO-TOTES are stackable, light weight but durable. 1,000's of uses including storage for tools, plumbing fittings, yard and household "stuff", truck ropes and chains, propane bottles, vegetables such as potatoes and onions, medications and supplies for animals and poultry, motor home and camper storage, etc, etc.