SandLock 59-in x 59-in Green Square Plastic Sandbox

59-in x 59-in Green Square Plastic Sandbox. Blow molded plastic - made from the same safe plastic you drink milk from. Maintenance free – no rotting wood, no splinters or chipping paint. Safe soft and rounded edges. Attractive color-scheme that looks classy in any backyard. Patented interlocking construction for ease of assembly and disassembly. Patented cover lock system that keeps the cover on during the windiest days. Single tool assembly – just a hammer to set stakes