Check the listing for details. Foldable Waterproof Picnic Mat Set Beach Mat Extra Large Sandfree Beach Blanket. Condition: New. Listed at 12.48 USD. Our portable picnic blanket is great for beaches, picnics, parks, family trips, sports events, open-air festivals, camping, hiking, fishing, and other outdoor activities. This oversized lightweight beach mat is sand-resistant and moisture resistant. It's easy to wipe sand off and is quick drying. This means you can enjoy your time outdoors without having to worry about all the mess. The light and breathable mat will help kickstart your relaxing day at the beach. You can install 4 anchors in each corner.aviod blown away on those windy days. Relax in peace and enjoy your happy time. Come with a travel sack which allows your beach blanket to pack down into an incredibly small, compact and lightweight for easy carry. ... .