Description: Low noise: Low flying noise, bring good flying experience for you. Details: Good dynamic balance, high aerodynamic efficiency, low power consumption, stable flight. Material: Made of PC to ensure maximum maneuverability, higher tension. Repair parts : It is replaceable and easy to install, simple to use. Application: Compatible with Spark. Two colors can be selected--Gold, White, you can choose. Specifications: Product name: Drone Propeller Color: Gold, White Material: PC Pcs: 2 pair, 4 pair Application: Compatible with Spark Size: About 11.8 x 1.8cm/4.65 x 0.71 inch(L*W) Package Includes: 2 Pair Drone Propellers OR 4 Pair Drone Propellers Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. 3. The product does not include drone.