High-Quality :Made of PET with reflective laser effect, The bird-proof rod is made of PP material, which is wind-resistant and not easy to break. sturdy and durable. Easy to install：The hight of pinwheels can be adjusted casually. Any two poles can be freely connected for the purpose of extension, and can also be freely disassembled. Size:The reflective pinwheels size is 53 x 24 cm, conveniently placed in various places, such as garden, orchard, vegetable garden, farm. Environmental protection: The windmill dazzles the birds by reflecting the strong light, while the windmill rotates in the breeze to make a metallic sound, scare birds from adapting to environment and fly away. No damage to birds and environment Application:Suitable for all kinds of Birds.