Note: The color of the item may vary slightly due to photography and your own computer It used to protect the Main Circuit board when the multicopter fall. Lightweight, very easy to install Material: glass fiber Size: 5.5 x 5.5cm/2.16 x 2.16"(L x W) Color: Black Weight: 30g Package included: 2 x Quadcopter Protection Cover Plates(include accessories)