This cushion with a backrest provides moderate resilience and firmly supports your back, lower back, and buttocks. Its excellent pressure distribution helps alleviate fatigue from prolonged sitting. It can be used in a variety of settings, such as at work or on dining chairs. This is a new, unopened item. The fourth photo is an image. The photo shows black, but the actual color is navy. Retail Price: ¥20,900 (tax included) Size: Approximately 40cm wide x 80cm long x 4.5cm thick (seat) Weight: Approximately 0.9kg