Welded steel frame. Height adjustable in 1" increments. One directional rear wheels, which can be disengaged to allow full forward and reverse mobility. Patient is situated in the center of the Safety Roller, which provides maximum support and improved posture. Skid resistant, non-marring, easy rolling neoprene wheels. Ideal for indoor and outdoor use. Folds easily and stands on its own in the folded position. Size: Tyke; Color: Red