Soft & Comfortable: Fit Neck, can closely fit the edge of the bathtub and our neck, give enough support to the head and neck, so that we can completely relax and relieve neck fatigue while taking a bath again Design Concept：The hydrotherapy bathtub pillow has a non-slip design that enhances your bathing experience and comfort, so you can focus on other things while bathing, whether it's reading a book or catching up on a TV show Direct Replacement: Made of EVA for improved comfort and durability .Hot springs spas hot tub headrest replacement pillows fits the mid year 2007-2013 hot spring spa models hot tub spa head rest pillows for Watkin .Does not Work with Older, pre-2007 Hot Spring spas.Replacement headrests or headrest pads are a must-have hot tub accessory for outdoor hot tubs Note：Bathtub pillow length of use and water quality is different, will affect the length of its life, prolonged use and the impact of water quality or often exposed to hot weather will lead to the aging of the bathtub pillow, we need to replace the bathtub pillow on a regular basis, the two loaded just enough to be able to replace very well Easy to Install: Clean the surface of the bathtub, dry the water droplets, and place the top half of the pillow with the sides against the top edge of the bathtub and the inside wall.