Unused Back Support Car Seat Cushion + Backrest Cushion Low-rebound, Posture Correction, Lower Back Pain Relief Black A reliable, made-in-Japan set of seat cushion and backrest cushion. Color: Black Material: Memory foam Made of low-rebound material that disperses pressure on the buttocks and back, providing a soft and comfortable sitting experience. It fits the natural curve of the spine and gently supports from the lower back to the shoulder blades. It maintains good posture and provides comfort even during long hours of sitting or driving. The combination of the seat cushion and backrest cushion provides total support for the entire body. Reduces the burden on the buttocks, lower back, and back. Suitable for car seat cushions, office chairs, remote work, and gaming chairs. Non-slip processing prevents slippage for peace of mind. Recommended as a practical gift for those suffering from lower back pain, those who work long hours sitting, the elderly, and pregnant women. There may be a urethane-specific odor when first used. This can be reduced by airing it out in the shade. Unused. Originally priced around 5000 yen.