This bathtub pillow attaches to the tub backrest with a builtin suction cup to keep the pillow edge firmly in place. It supports the head and neck so you can enjoy a more comfortable, spalike bath without the pillow shifting. Key benefits Secure attachment: Suction cup on the back of the pillow fixes the pillow to the bathtub backrest and prevents slipping during use. Comfortable support: Designed to support head and neck while you recline, helping maintain a relaxed position in the tub. Simple to install and remove: Press the suction cup onto a clean, smooth backrest surface and release when you are finished. Stable positioning: The suction cup keeps the pillow edge fixed so you do not need to readjust it while bathing. Function and compatibility Function: Backmounted suction cup holds the pillow in place against the bathtub backrest for consistent support. Compatibility: Intended for use on smooth bathtub backrest surfaces where the suction cup can form a firm seal. Performance: Provides steady, reliable attachment to reduce pillow movement while you recline. Practical use scenarios Evening soak: Use the pillow to support your head and neck during a long, relaxing bath. Reading or listening to music: Keep the pillow in place so you can recline comfortably while you read or listen. Athome spa routine: Add stable head and neck support to your home bath setup for a more comfortable experience. Notes For suction, attach to a clean, smooth surface on the bathtub backrest. Remove and dry the suction area after use to maintain reliable attachment.