ABS plastic steel: environmentally friendly and tasteless, waterproof and non-stick oil, soft touch feelings. Made of lightweight, sturdy and durable ABS plastic material, won't deform for long time use. With super magic sticker: super strong hook buckle, easy to remove, no need other tools for installation without cumbersome installation and disassembly procedures. Adjust the body shape: The fixed position can be adjusted back and forth according to the user's body shape, not easy to slide down. Our wheelchair tray can also be used as a support device to correct the user's sitting posture. Cup groove design: convenient to place the cup, suitable for wheelchair users to eat, read and write, etc. Easy to place cup. Wheelchair Tray: Raised molding helps contain spills and prevents items such as pens from rolling away.