Made of Medium Density Polyethylene (MDPE) and is robust & durable. Many applications. Use for oil changes, coolant drops, parts storage, gearbox and engine overhauls store a battery & much more.UV stabilised (UV8 food grade standard) Withstands most chemicals and acids Dimensions External Base L 500mm x W 345mm External Top (outside rim to outside rim) L 565mm x W 405mm External Height 95mm Internal Base L 485mm x W 330mm Internal top L 527mm x W 365mm Internal Height 80mm