PROIDEA Takumi no Koshi Raku Zaisu Comfort Seat Horse Saddle Chair, Single Seater This is the ultimate floor chair, created by combining the wisdom and skills of three masters from different fields, so you can sit comfortably in a good posture for long periods! [Product Condition] There are some signs of use, but no significant sagging, and it can still be used. [Product Description] Japanese people, who spend a lot of time sitting each day, have many concerns about their lower backs. This is the ultimate floor chair for lower back comfort, created by three masters for people like us. The Comfort Seat focuses on the lifestyle of Japanese people who spend long hours sitting and is designed to reduce the burden on the lower back. The keyword is [Burden Reduction]. Three masters pursued the best sitting comfort from their respective specialized perspectives. ■ Master who knows the human body structure inside out: Ken'ya Hatano, a chiropractor, pursued a posture that is difficult to get tired in. ■ Master familiar with furniture design: Hisanobu Tsujimura, a furniture designer, pursued functionality, convenience in daily life, and compatibility with interiors. ■ Master who knows the structure of horse saddles inside out: A saddler who crafts riding saddles designated as traditional crafts. Yutaka Ikegami pursued balance of gravity and pressure distribution. Size: 59×64.5×47cm Weight: Approximately 9300g Materials/Structural members: Polypropylene, Cushioning material: Urethane foam, Upholstery: Polyester This is a used item, so please only purchase if you understand this.