Thank you for viewing! The color is navy. There are some stains on the back and white scuffs on the bottom, but overall it is still clean and usable. There are no instructions. ＜Product Description＞ ・Unique posture care function: Chiropractic support system 　The key to creating the correct posture in chiropractic is to stabilize the pelvis and maintain the S-curve of the spine. 　Style SMART supports the "iliac crest" to stabilize the pelvis, and also supports the "lumbar spine" to create the S-curve of the spine, supporting the correct posture. ・Lumbar support function 　The shape that wraps the lower back from both sides supports the natural curvature of the lumbar spine and maintains the S-curve of the entire spine. ・Pelvic support function 　Iliac crest assist / Pelvic tilt / Body trace curved surface ・Soft material for comfortable sitting for long periods: Soft molded urethane 　Urethane with moderate elasticity and excellent pressure absorption gently fits the body's lines. 　Makes it easier to spend long hours sitting comfortably. ・Sophisticated design ・Make your busy days more comfortable. Please refrain from purchasing if you are nervous as this is a used item. We will ship quickly and carefully. We are looking forward to your order♪