Retractable Roof: Designed with a UV-resistant canopy, the sandbox allows kids to play outside and have fun for a long time without worrying about the weather. You can freely adjust the height and inclination of the canopy to block sunlight or sudden shower. Simply adjust the canopy to the lowest height to protect the sand when not in use. Built-in Folding Benches: The benches with backrests have a strong load-bearing capacity for multiple kids to sit and play. Detachable benches with backrests allow kids to rest comfortably when they are tired. Smooth surfaces and edges prevent your kids from scratches. Safe & Premium Materials: Made of solid wood, sandbox with cover features durability and stability. Water-based coating the surface is harmless to kids and it becomes a safe playground environment for kids to play.