for all spas and hot tubs,comfortable and attractive for both adults and children, especially great to use in elders bath as a sort of booster seat. 5 Ultra-sturdy suction cups can be firmly adhered to any bathtub surface, easy to adhere, easy to change position, and can be easily removed after enjoying bathing or spa time. 100% soft headrest cushion-suitable for all hot springs and hot tubs, easy to clean, non-sticky dust Easily filled using standard hose nozzle or fill by jets in spa, suction cups prevent seat from floating or moving. The round top plate is spacious in size and pleasant in shape, supporting the neck and head, and the main part supports your shoulders and back. In addition, it can also create a charming spa environment in your own home.