Environmentally Friendly: The windmill dazzles birds by reflecting strong light, while the windmill rotates in the breeze to make a metallic sound, scaring birds in an environmentally friendly way. Non-toxic and chemical-free, non-harmful, scares birds, but will not harm them. Beautiful & Effective: These reflective bird repellent windmills are made of silver polyester material, durable, non-toxic, weather-resistant, UV-resistant, safe for birds, can withstand strong winds, can be reused, can be used sustainably and do not affect the ground. Easy to Install: These windmills easily integrate into the ground and decorate any garden while keeping pests away. Easily install the bird repellent windmills in your area, the height of the windmills can be freely adjusted. Any two poles can be freely connected for extension and can also be freely disassembled. Wide Application: The reflective windmills are 24 cm wide and 50 cm high, conveniently placed in various locations, can be mounted anywhere in your bird repellent area such as yard, vineyard, house, garden, barn, orchard, farm, garage, etc. Used in agricultural land, such as rice, vegetable garden and other fields. Used in balconies, roofs, windows, etc. It can also be hung on fruit trees or vines, garden, lawn, pond, etc. Specifications Material: PET Color: Silver Package includes: 10 x Bird Repellent Reflective Windmills