1.Polyester 2.[Upgrade & Softness]compared with 3D air mesh technology, 4D Air Mesh Technology was upgraded with better breathability and ventilation, higher resilience and more smooth surface. It is not easy to be out of shape, quicker dry, no bad odor. With more smooth surface, you could enjoy a more comfortable touch. 3.[A truly ergonomic bath pillow]ergonomic custome designed headrest brings head and neck max. comfort and relaxation. Extra thick shoulder and back padding brings shoulder and back max. support and relaxaion.Fits all Bathtub, Spa Tub. 4.[Powerful suction cups] Equipped with 6 powerful suction cups, which can prevent your tub pillow from sliding and moving normally. 5.[Feels like leaning back into a warm hug ]The ultra-soft, thick padding of our luxury bathtub pillow gives way to cushion your head while the longer back support of our spa pillow for bathtub adds the perfect comfort for your back and shoulders. At this time: Turn on relaxing music, light candles, and hold a glass of red wine. It feels like life has never been so wonderful and comfortable!