Features: Effectively hold propellers and blades to the fuselage, preventing accidential damages during transport and storage. Precise cutting design, perfectly for Mini 3 Pro drones. Soft ABS material, it feels comfortable, does not damage the propellerrs, and the host. Small size, prevent foreign objects from harming the blade and the main engine, and completely surround the blade for fixed for protection. Cleverly designed anti-drop buckle, quick disassembly and assembly, convenient to install. Specifications: Material: ABS Applicable Model: for Mini 3 Pro Color: for Grey, Red(optional) Propeller Holder Top: Approx. 8x2.9x3.5 for cm/3.14x1.14x1.37 inch Upper Beam Propeller: Approx. 8x3.5x3.2 for cm /3.14x1.37x1.25 inch Package Includes: 1 Set Propeller Strap note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.