Hewolf 77Inch x 77Inch Aluminum Foil Mat Tent Footprint Waterproof Sleeping Pads Rain Shelter for Camping Hiking Backpacking Picnic Shelter Shade Canopy Outdoor 1. Made of double side aluminum foil,either side of pad is usable for a long time 2. Size: 77inch x 77inch (length X width); Weight: 12.34 ounces; Color: Silver 3. Environment friendly,foldable,waterproof,damp-proof moisture proof,protects the bottom of your tent from dirt, mud, and sharp objects 4. Light weight with wide unfold area,ideal for camping,hiking,backpacking and picnic,can be used as picnic mat,tarp,tent footprint,rain shelter and more. 5. Ease to instal and carry with the storage bag.