Description: Made of qualified material, it is environmental and durable. Specially designed for DJI drone to offer full protections. Designed to protect propellers from crash damage, and reduce the risk of scratching people and objects. 280 degree encircled design supplies all-around protections and will not impact avoiding obstacle. With these prop protectors, your device will never drop like stone again, thus your device will last longer. lightweight and durable, a must for beginners and junior users. Specification: Size: Approx. 29x19.5x4cm/11.42x7.68x1.57inch Material: ABS Plastic Package Includes: 4 Pieces PropellerAnit-crash Protection Rings Note: Please allow 0.5-1inch measuring deviation due to manual measurement(1cm=0.39inch Due to the different monitor and light, the actual colors of the item might be slightly different from the color showed on the pictures. Your satisfaction is our utmost concern. Thank you!