This Sandbox Cover Drawstring Waterproof Mat will make sure your kids’ sandbox stays clean for them to play in! It is easy to install and remove too! This cover is a drawstring type so you can easily fit it over your sandbox securely. And since you can tighten it, you can trust that the wind won’t blow it away. It is also waterproof so it keeps the sand dry when raining. And finally, it is easily foldable for convenient storage.