With very good durability, the high-density material guarantees its strong durability and strong support. This stress-relieving property avoids the pain and discomfort often caused by the rebound pressure. There are two suckers with strong suction on the back of the pillow, keep it firm when you are lying down on the pillow. Groove design makes it can be fixed on all kinds of bathtubs, it is very easy to use. Please know that this bath pillow is not that soft, be sure you need a medium hardness feeling pillow! | FLAVORA Unisex Bath Pillow Waterproof Non-Slip Comfort Bathtub Headrest Cushion in White