1. the product mold integrated molding, effectively fixed front and rear propellers, to protect the propellers in the folded storage state, to prevent damage to the income backpack. 2. raised design above and , leaving space not to squeeze damage to the propeller, while in the storage process to play a fixed propeller, so that it is not easy to run off / . 3. reasonably fixed propeller, fit the body, like a machine storage zero burden, while not affecting the installation of the lens cap use. 4. quick release buckle design, to achieve rapid disassembly and installation. Applicable models: for Mini 3 Pro color:Grey :TPU Package Contents: 1 x Propeller Holder 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.