New frame style eliminates seat guides and allows for custom backs and accessories. Back height is adjustable. Comes standard with ''flip up'' anti-tippers. Durable, heavy gauge, flame retardant black nylon upholstery resists mildew and bacteria. Padded armrests. Flip-back arms allow for easy transfer. Composite mag-style wheels with aluminum hand rims are lightweight and maintenance free. Standard dual axle provides easy transition of seat height to hemi-level. Comes with push-to-lock wheel locks.