1. Material: aluminum alloy frame, white lacquer surface treatment, tube diameter: main frame 22.2mm tube thickness: 1.25mm. 2. The cushion is designed as a mother and child board. 3. PE backrest + PE armrest + PE large sitting board + EVA cushion. 4.5 inch full-plastic mute wheels for front wheels and 22 inch PU wheels for rear wheels. 5. Load capacity: 125kg 6. Armrest can be upturned, footrest can be folded left and right.