MINI 4 pro one piece propeller cover is made of high quality TPU material, soft and flexible, not easy to deform and break, durable. 2.Precise mold molding, fusion fuselage design, effectively fix the front and rear paddles, protect the propeller in the folded storage state, will not scratch and squeeze the body, to prevent damage to the paddles when you put the aircraft into the backpack, so that the storage and protection of the two in one. 2. Reasonable fixed propellers, fit the body, like a bare aircraft - zero burden on storage. Quick release buckle design, realize quick disassembly. Product weight: 25.8g Product size: 9.5*6.4*6.4cm Shipping weight: 42g