Pain Relief Memory Foam Seat Chair Cushion Tailbone Pillow The Orthologics Tailbone support pillow cushion brings new heights of unparalleled comfort and relaxation to your everyday life, Made from specially designed moulded memory foam, the pillow provide ergonomic support to your buttocks area. Ideal for travel, work, watching TV, reading and even sleeping, the Seat pillow can be used for just about any purpose. The cushion helps aid proper alignment and relaxes your lower muscles to put you at ease. Comes highly recommended for medical conditions such as Sciatica and Coccyx