Introduce yourself to SandLock. SandLock Sandbox believes every child can benefit from sand and water activities. We consider it a foundation for education teaching art literacy match science social studies technology and more. Kids never forget what they learn in a SandLock Sandbox. The SandLock Difference INTERLOCKING: Precision design makes it easy to assemble and disassemble DURABLE: Commercial grade solid plastic (HDPE) with UV stabilizers GROUND BARRIER: Plastic panel keeps sand and ground material separate COVERLOCK: Heavy-duty vinyl keeps sand clean dry and free of debris Sandlock Umbrellas are made using light weight nylon canopy powder coated metal post and copy frame. The umbrella opens to a 60 span and has an adjustable height up to 83 . Kit comes complete with snap on umbrella bracket that allows you to place umbrella on any side of sandbox creating shade as the sun moves through out the day. Product Features:. Kit Includes: 1-SandLock Umbrella 1- SandLock Umbrella Bracket 1- 10 stakeSnap on umbrella bracket. Light weight nylon canopy. Powder coated metal post and copy frame. Opens to a 60 span and has an adjustable height up to 83 . Secures all SandLock Umbrellas to Sandboxes. Sandbox sold separately