1.Foldable structure, with good safety performance. The surface of the frame is chrome-plated, which is beautiful and durable. 2.Front wheel with high-quality solid tires; Rear wheel diameter 620 mm (24 inches) pneumatic wheel with hand wheel (used when hand directly drives the hand wheel); 3.The fabric is made of nylon, seams are firm and neat, and there are no defects such as wrinkles, jumpers and damage; 5.The movable and disassembled handrail is adopted, which is easy to disassemble; 6.Detachable foot rest, foot pedal height adjustable;