1. Thickened and thickened design, more sturdy, more durable anti-collision 2. The part near the fuselage is protected by sponge to avoid hurting the fuselage 3. Rear anti-collision soft rubber design, more flight safety, avoid fuselage rub marks 4. Light weight, does not affect the flight range 5. Weight: about 5.7g 6. Size: about 4.3 x 3.6 x 3.3cm 7. Note: bumper only, no others
