Features: Isolate the propeller from the outside to prevent the propeller from accidentally injuring people and cutting objects, improve flight safety. Lightweight design, almost has no affects to the drones flight. Real machine opens the mold, about 10mm space from the propeller, so it is safe not to contact with propellers. Convenient to store and takes up less space, it is exquisitely designed and can be disassembled and assembled quickly. High-toughness ABS materials, strong impact resistance and compression resistance, suitable for Mini 3 Pro drones. Specifications: Material: ABS Color: Gray Radius: about 9.2cm/3.62" Max Size after Installation: Approx. 1x34x5 for cm/0.39x13.38x1.97 inch Applicable Model: for Mini 3 Pro Drones Package Includes: 1 Set Propeller Proective Guards note: 1.Does not include Drones, 2.Transition: 1cm=10mm=0.39inch, 3.Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering, 4.Due to the difference between different monitors, the picture may not reflect the actual color of the item,please make sure you do not mind before ordering!