The IncrediBack Moldable Deep is designed for the user who needs increased lateral support. Wide moldable lateral wings aid in keeping the user upright and positioned correctly. Angle and height adjustable, the Incrediback is constructed of patented moldable aluminum stays that conform to and support users back. All models recline up to 30 degrees (must use anti-tip bars when reclined). Fully adjustable for angle and height, with 2" of depth adjustment. Quick and easy installation. (Wheelchair must have anti-tip bars). Comes in six different styles: Incrediback, Incrediback Rigid Back, Incrediback Deep Back, Incrediback Tall Back, Incrediback Rigid Tall Back, and Incrediback Deep Tall Back.