Durable Construction: Crafted from tough, weather-resistant HDPE plastic for long- lasting use. , Easy Assembly: Our Interlocking panel design ensures that setup is quick and easy., No Maintenance: Forget Wooden Sandboxes! Never worry about rot or decay. The Sandlock Sandbox with cover will withstand weather, long term use, as well as rough play. , Recommended Depth of Sand 6"-7" Approx. 875 lbs of Sand