Waterproof: Thanks to the inner PVC coating and sealed seams, the sandbox cover is waterproof and reliably protects against dirt and moisture in any weather. UV Protection: With high color fastness due to the dyed fabric with a lightfastness rating of 6, the sandbox cover is protected from rapid wear and fading caused by UV radiation. Durable and winter-proof: The fabric of the sandbox cover is tear-resistant and frost-resistant, allowing you to keep your sandbox protected throughout the year when not in use. Tested quality: The material of our sandbox cover is regularly tested by the public testing institute for textiles at Niederrhein University of Applied Sciences. Easy to handle: The robust material of the sandbox cover makes it practical to use. Simply throw it over and secure it with the cord and stopper.