The size of the Portable Wheelchair Self-propelled Mobile Transport Wheelchair is 90x52x68cm / 35.4x20.5x26.8", and the folding size of the Portable Wheelchair Self-propelled Mobile Transport Wheelchair is 62x52x26cm / 24.4x20.5x10.2". Suitcases and air travel are easy to handle. The frame is made of high quality aluminum alloy, which has strong bearing capacity, light weight and stability, and is easy to walk. Breathable Oxford cloth cushion, soft, breathable, super-gravity, long-term sedentary and not deformed. The high-density sponge armrest can be adjusted up and down for more comfort and convenience. The armrests can be turned over and it is more convenient to ride. The back is designed with a storage bag for carrying small items. The rear self-locking brake system can be braked securely even on a variety of uneven road surfaces. 6-inch non-slip universal wheel, tough PVC material, high wear resistance and high pressure resistance.