Thank you for viewing! ✅ Limited stock available! ✅ Immediate purchase is welcome!! ✅ Brand new, unused! A cushion with a U-shaped design that supports posture and reduces lower back pain. Ergonomically designed for comfortable sitting. Excellent breathability. The outer cover can be washed in the washing machine. *Please note that the main body cannot be washed. - Color: Black - Design: U-shaped - Function: Posture correction - Usage: Lower back pain relief - Suitable for: Use during pregnancy [2026 New Release!] Chair cushion, seat cushion, prevents sore buttocks, ergonomic, pressure distribution, comfortable sitting, chair pad, resilient cushion, highly breathable, washable cover, non-slip, for office chairs, wheelchairs, automobiles, home use, Father's Day, Mother's Day, birthday present (Black)