? 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 50*19cm, conveniently placed in various places. Same time these garden pinwheels are so beautiful when swiveling with the wind and refracting the sunlight at the same time. ?Premium Material: These silver windmills are made silver flash polyester materials, sturdy Can last for a long time and not easily break. ?Easy to Install: Easily mount this bird blinder deterrent pin wheels on your area with direct sunlight and breeze for effective use. ?Application: These windmills can be easily inserted into gardens, farms, and can also be hung in houses and orchards. Windmills can repel birds and can be used as an ornament to decorate your garden or house.