Hobby Signal Quick Release Propeller Guards Protectors Shielding Rings Bumpers for DJI Phantom 4/PRO/PRO+ Custom-made propeller guards for DJI Phantom 4/PRO/PRO+, wont affect obstacle avoidance Fortress design, increased tenacity and hardness Reduce the impact of motor and the arms Quick and convenient mounting/dismounting Available colors: white, red, blue, grey, send randomly, any requirment about the color, pls contact with us.