Compact and lightweight: 40cm x 10cm x 1cm (15.7 x 11.8 x 0.4 inch); Minimum size after folding: 14 cm x 9 cm x 7 cm (5.5 x 3.5 x 2.76 inches); Weight: 40g (Folded), suitable for adults and children. Material: The top is polyester, waterproof and breathable, and the bottom is silver coated fabric with good water resistance. The inside is made of foam, non-toxic, odorless and environmentally friendly. Easy to carry: thanks to the attached elastic band for compact and easy storage of the seat cushion, the mat is always with you without taking up much space. KEEP YOU DRY AND WARM: The XPE material can reduce the energy exchange through the air convention to improve the heat insulation and cold resistance of the seat mat. The moisture-repellent and waterproof properties keep the floor dry and warm. Versatile: The foldable seat cushion is the perfect companion for hikes, as a seat pad for children in kindergarten, as a stadium seat cushion, as a thermal seat cushion for hunting, for fishing, for a break, as a camping seat pad and other outdoor activities.