Thank you for looking. New and unopened item. Color: Navy Thank you for your consideration. 【Product Description】 Spine-stretching back pain relief cushion Navy/Mustard Approaches the pelvis, sacrum, and spine to maintain a posture that is resistant to fatigue. Three-dimensional structure that supports the waist area! Shock absorption x High resilience Supports the sacrum and straightens the spine. Reduces strain around the waist and leads to a beautiful posture. * *Only when using this product ■ Side The raised shape fits from the buttocks to the thighs. ■Three-dimensional seat The sacral upright tilt works to raise the sacrum, which is at the center of the pelvis. ■ Back The shape covers the waist area, pushing out the waist and giving a feeling of straightening the spine. ■Back and protrusion parts The large back and protruding parts support the sacrum and straighten the spine. Uses high-resilience urethane. High-resilience urethane absorbs shock and supports a "comfortable sitting" posture. Uses mesh material. Good breathability, less stuffy.