Waterproof Made of quick-drying, breathable rip-stop nylon, this blanket effectively protects against sand, water and damage. Sandproof Sand and other debris are easily removed by simply shaking the blanket, keeping it clean at all times. Wear-Resistant Crafted with high-quality, wear-resistant materials, the Acuvar Picnic Mat is built to withstand the rigors of outdoor use. From rocky terrains to sandy beaches, this mat provides a sturdy and reliable surface, protecting you from dirt, moisture, and rough ground. Easy to Clean The waterproof blanket is easy to clean with a damp towel, or you can put it in the washing machine with cold water. A must-have seasonal gift for any home!