Durable and light weight, A must for Beginners and junior Users. To avoid Landing Such as Scratching a Car, dropping like a Stone. When hit wall, tree or Whatever, As long as the Propellers Rotate, your device will always Keep balanced. It will Stay in air instead of dropping down. With these prop Protectors, your device will Never drop like Stone again, Thus your device will last longer. Easy to install and Remove, Quick release. Quick twist-on installation, so you focus on enjoying your flying experience. Super seamless design, it matches perfectly for . The propeller is of high endurance and flexibility for great impact. Item name: Propeller Guard Protection Ring Weight: About 10g colour:white Material:plastic size:5.6x5.8cm Package contents: 4 * Propeller Guard 4 * Propeller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.