Foldable Seat Cushion Material: XPE (polyethylene), environmentally friendly and recyclable. The well-insulated XPE cushion protects the rear from cold and moisture. WIDE APPLICATION: These camping foam pads are suitable for hiking, sports, picnics, camping, backpacking, fishing and other outdoor sports. Waterproof and moisture proof: It is very suitable for outdoor sports, and it is your best partner for sitting on the ground or in the park after sports. No more fear of cold, dust and wet pants. Permanent Seat Cushion: This updated version of the foam seat cushion can be folded into 8 integral parts. The folding design resists tearing and can be folded 100,000 times. Laptop: This collapsible seat cushion can be folded to save space, and depending on its size, it fits in any backpack or backpacker. Very easy to store. Lightweight and portable, small size, easy to carry. Folded product size: 140*80*60mm, unfolded product size: 385*275*8mm