Feagar Seat Cushion Feagar soft seat cushion is suitable for all hard surface. Helps preventing numbness from sitting. Help you get immediate comfort in your busy and exhausting work / daily life! Special Curved Design: The surface of the back support cushion is contoured to distribute your body weight across the seat. This wedge cushion distribut body's weight on the surface, you're probably feeling relatively calm and relaxed while sitting. UNIVERSAL: Feagar Seat Cushion is suitable for car seats, computer / game chair, wheelchair, office chair or seat in a bus, plane or train. Specially, can be used as car seat cushions for height.