For safe, convenient, year-round storage. Some uses include sand/salt, garbage, dock, baseball, truck, pool chemical storage. Heavy duty construction w/lockable double wall lid. Water tight and impact resistant. Nestable. Roto-molded of 1/4" - 5/16" gauge linear low density polyethylene (LLDPE). Other applications include farms, factories, trailers, ship or shore, parking lots, cottages or construction sites.