Booster Seat Inflatable Cushion Chair Backrest with Suction Cups Spa Inflatable Cushion Inflatable Pad for Adults Kids Blue Features: Premium-quality materials: made of environmentally friendly PVC materials, non-toxic and odorless, long-use non-deformation. Ergonomic design: better fit the human body curve, concave surrounded, sitting for a long time not tired. Four seasons universal: It can be filled with air or water, not cold in winter and not hot in summer. Bottom suction cup design: the bottom with suction cups, so that the cushion is more stable and not easy to slip off. Universal for adults and children: suitable for all spas and hot tubs, comfortable for both adults and children. Specification: Color: blue Material: PVC Product size: 47 * 37 * 15cm Package size: 15 * 15 * 2cm Package weight: 183g Note: When the goods are delivered, the gas is released. After getting the goods, they need to be inflated by themselves.Inflating tools are not included in the delivery. Packing List: 1 * Inflatable Cushion