Are you suffering tailbone pain from sitting due to work or study? This coxal support pillow will help you . It promotes your comfort level while sitting on the hard seat like chair, stool, wheelchair seats and to prevent horrible tail bone and sciatic pain. Features -Material: Memory foams - Size: 40.00X40.00X4.00cm/15.72X15.72X1.57in -Made of premium memory foams materials, which can be comfortable and for using. -Good breath ability and elasticity.The product has fine craftsmanship, very practical. -Elastic elastic band, strong and , can be freely adapted to different sizes of seats. High to avoid falling off seats fit most seats. -When you need to use them in a way for a long time, the product will quickly become your good helper. -Square design, used in a variety of scenes, office, window, carpet, wooden bench, etc. Package list: 1 x Cushion