Features: Protect the propeller to prevent the propeller from scratching people or objects, and also prevent foreign objects from hitting the propeller and affecting flight safety, Quick release protective cover, without blocking the flight screen; The use of high toughnessmaterials, crashworthiness, and compressive resistance Strong, reduce the accidental damage to the machine; Lightweight and durable, does not affect the flight use. Specifications: Name: Suitable for Mini 4 Pro propellers Cover Main material: PC+ABS Property:As Pictures Net weight: about 50g Product size: as pictures Package Includes: 1Set Protective Cover note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!