This design is both comfortable and attractive. It is made of heavy-duty, heat-resistant material and has suction cups to prevent the seat from floating or moving. Its firmness and size can be adjusted by the amount of water used to fill it. It is easily filled with a standard garden hose.

Life Essentials LSS220 Inflatable Spa Booster Seat; 14.8 x 14.2" x 3.8""