The spa booster seat can be used in hot tub and spa without damage. When you're bathing at hot tub or in a spa center, this booster seat pad helps you to relax and provides a comfortable massage effect, letting you feel eased after bathing. You can inflate this massage cushion to adjust the height as you like, giving you a full relaxation when bathing. The inflatable booster cushion is suitable for spa center and hot tub, comfortable and attractive for both adults and children, especially great to use in elders' bath as a sort of booster seat. The spa cushion is equipped with suction cups and a mesh cover, which effectively prevent the cushion from moving around and slipping, offering a better massage effect to you. Material: PVC Color (optional): Gold, blue, pink Size: 47 x 37 x 15 cm/18.5 x 14.56 x 5.90 inch