Features: After complete installation, it is in one shape, anti-collision upgrade. Used to isolate the blades to reduce the risk of injury from the blades, while avoiding damage caused by foreign objects hitting the blades, improving flight safety. ABS material, fine workmanship, a certain degree of flexibility, easy to disassemble. Specification: Applicable models: For -DJI for Mavic Air 2 Color: Gray Material: ABS Unilateral expansion size: 145mm x 413mm Packing Size: 225mm x 175mm x 68mm Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1set x Blade for Protection Ring