Designed with the posture and body of those who sit at a desk for long periods of time in mind. The JG series is designed with a structure and function that reduces strain on the lower back and back. The JG6 is a high-spec model with a sharp design. The seat is made of molded urethane, which is elastic, durable, and has a good fit. It is comfortable to sit on for long periods of time without getting tired.