The Frame It All 4ft.x4ft.x13.5in. Collapsible Square Sandbox Canopy protects your sandbox from rain and debris, or from being used as a litter box by neighborhood cats or other animals. The domed construction prevents water pooling which can help prevent a mosquito breeding ground. Collapsible construction makes it simple to set up or to store away in seconds. Corner connectors fasten the cover securely to the sandbox frame. Velcro flaps prevent animal intruders. The 4ft. x 4ft. square cover integrates with any 4ft. x 4ft. square Frame It All sandbox. Sandbox not included.