Superior Fabric: Waterproof and durable acrylic fiber, brushed material, stain resistant and waterproof. If it gets dirty, it can be easily wiped clean with a damp cloth. Also, it can be hand washed, so even if it gets dirty, you can easily clean it Lining: The back is made of PEVA material that prevents moisture from the ground and grass, and is waterproof, moisture-proof, breathable, and abrasion resistant, so it won't break even when pulled. Portable and convenient to carry, it can be rolled up when not in use. Portable and convenient, so you can enjoy a picnic anytime, anywhere DURABLE QUALITY: This is a high quality leisure sheet made with three layers. The flexible sponge filled design relieves the rugged feeling of the ground, so you can sit for long periods of time without pain Functional Seats: Tent seat, Picnic Leisure sheet, Moisture-proof sheet, Indoor sheet, Baby Crawler Practice sheet, Beach Sheet. Great for a variety of occasions, including picnics, flower viewing, camping, beach, fireworks festivals, excursions, sports festivals, soccer fields, playgrounds, parks, wet grass and ground, mountain climbing, sports watching sports, and the seaside in all seasons