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. Size:The reflective pinwheels size is 24 x 55 cm, conveniently placed in various places, such as garden, orchard, vegetable garden, farm. High-Quality Materials:The bird deterrent repellent pinwheels are made of silver flash polyester materials, it is non-toxic, durable, UV resistance, weather resistance, and can long-lasting use. Easy to Install:Easily mount this bird blinder deterrent pin wheels on your area with direct sunlight and breeze for effective use. Application:Suitable for all kinds of Birds. The bird repellent pinwheels printed with tens of thousands of flashing tiny, by bright flashes of light scaring birds from the area. Same time these garden pinwheels are so beautiful when swiveling with the wind and refracting the sunlight at the same time. This is a good decoration for your yard.