The Rubi SR1 Ergonomic Seat is designed to give you complete ergonomic comfort, while maintaining a stable working position and easy movement. You will be able to roll around and work in knee position, taking pressure off of your back and knees. The attached air professional knee pads, made of high-density polyurethane, provide extra protection, stability and can be easily replaced. It also includes a fully adjustable seat and a removable tray for easy access to tools and parts. It is great for flooring installations, auto body repair, painting and many other industries where kneeling or leaning positions are required. Save your knees and take unnecessary pressure off of your feet and back.