1. Made of environmentally friendly plastic material, durable, safety protection, to prevent children from touching the plane and scratching their fingers when flying and having fun
2. Lightweight design, does not aggravate the fuselage load, does not affect the flight and endurance
3. Quick disassembly, easy to use
4. Note: the upper and lower cover can not be used at the same time, the use of the same time will lead to the inlet and outlet air volume is too small to provide flight up force, the aircraft will be up and down
5. Material: plastic
6. Weight: about 2g
7. Attention: only the protective cover, not including others