【Materials】3-layer construction, surface: acrylic fiber, middle layer: urethane foam, back: PEVA 【Easy to Carry】 When not in use, simply roll it up and secure it with Velcro for compact storage and portability. It has a handle, so you can easily carry it with one hand like a bag. 【Middle Layer Cushion】 The middle layer is made of 2mm sponge, providing excellent cushioning. You won't get a sore bottom even after sitting for a long time. 【Waterproof Backing】 The backing uses waterproof PEVA material, so it's fine even on damp grass, and it's also lightweight, odorless, and non-toxic. 【Capacity】 Large enough for 4-6 adults to sit and have a meal. 【Uses】 Swimming at the beach, fireworks displays, sports days, cherry blossom viewing, picnics, camping, etc. A leisure sheet that's great all year round.