Hobby-Ace 2PCS Rubber Plastic Camera Lock Lens Cap Protective Cover for DJI Phantom 3 Advanced Professional Quadcopter Compatible with DJI Phantom 3 Advanced Professional quadcopter Flexible plastic mixed with rubber material,NOT plastic.Protect the lens and the gimbal Compared with the others made of plastic,this is more flexible and softer.The plastic one is also provided by Hobby-Ace on Amazon:http:www.amazon.comdpB013P1DX6S Prevents the lens from dust and scratches. Locks camera to gimbal and protects the lens as well More lens protective cover product is provided by us in Amazon.Bring your eyes into the sky and racing like a free bird, enjoy the ultimate first person view experience.