America’s #1 sandbox!™ This safe, durable sandbox is the best way to introduce children to the creative and social benefits of sand activities. Made of high-density polyethylene. The solid interlocking construction makes assembly quick and easy. Sandboxe includes a one-piece permeable ground barrier, interlocking panels for assembly, and a heavy-duty vented cover. Features the CoverLock™ shock cord system, which allows the cover to go on and off easily while staying on in extreme year-round outdoor weather. Includes two removable corner seats. One-year limited warranty. Shipped directly from our supplier. Allow extra delivery time.