Dustproof Waterproof Sandbox Cover with Drawstring 40x40 Inch Square for Beach Sandpit Pool Sandbox Cover With Drawstring, Square Dust-proof Beach Sandbox Cover, Waterproof Sandpit Swimming Pool Black [Highest Quality] The sandbox cover has been upgraded to a 420D polyester fabric with a waterproof PVC coating, which is thicker and more waterproof to ensure durability and long-term use.[Function] Widely used as a sandbox cover, specially designed for children's toy shelters to protect toys from dust, sun and rain. The sandbox cover is made of durable, lightweight fabric with dust and waterproof functions.[Practical] The drawstring design can firmly cover the sandbox and protect sand and toys. It is tear resistant, weatherproof and breathable, easy to clean, and has a long service life.[Space saving] This high-quality weather cover is small in size, foldable, easy to install and disassemble, and does not take up space.