Easy to Clean and Machine Washable: Dual-sided waterproof surfaces prevent liquids from seeping in, allowing spills to wipe right off. Ultrasonic quilting technology makes it machine washable while preserving quality wash after wash. Premium Waterproof Fabric: Three-layer structure with water-resistant 190T polyester outer layer, soft cotton-filled middle layer, and thickened aluminum film bottom layer for exceptional waterproofing, comfort and durability. 80"" x 80"" Extra Large: Spacious design fits 6-8 people sitting or 4 lying down, perfect for family gatherings and outings with friends. Two Ways to Carry: Rolls into compact 14.2"" x 6.3"" bundle with versatile strap serving as handle or shoulder strap for cross-body convenience. Multiple Uses: Ideal for picnicking, camping, hiking, concerts, and as indoor or outdoor play mat. Weight: 2.51 pounds.