Medical Back and Seat Support Cushion (Memory Foam) provides direct spinal support and pressure relief during daily sitting, whether at the office, in the car, or at home. If you're looking for a medical back cushion for the office, a seat cushion to relieve coccyx pain, or lumbar support while driving, this set is designed to reduce pain and practically improve posture. Key Features: Back Cushion: Lumbar support that supports the natural curve of the spine and reduces spasms during prolonged sitting. Seat Cushion: Made of memory foam that distributes weight and relieves pressure on the coccyx and pelvis. Features: Contoured memory foam Lumbar support and improved posture Reduces coccyx pressure and pain from prolonged sitting Seat cushion with secure straps to prevent slipping Non-slip base for the seat cushion Removable and washable cover