Description These silver windmills are made of flash silver polyester, which is durable, shatterproof and weatherproof, environmentally friendly and non-toxic. size: 52 * 18cm; Reflecting sunlight and by confusing the birds eyes, the birds are prevented from leaving the area.Without chemical and technical elements, they do not harm the birds. Pleasant and practical. These wind turbines fit easily into the soil and will decorate any garden while driving away pests. The items you receive need to be assembled by yourself, just refer to the operation diagram: install the wind turbine one by one, then install the rod. This reel can be used for farms, to protect rice and vegetables, or to hang on fruit trees and vines. for balconies, roofs and windows and other yards. Product description In light of the opposite of the birds visual confusion, the result of fear. To achieve the effect of drifting birds. Free from chemical and technical elements, controls pests in a natural way. Even if it is exposed to sun or rain, the reflective properties are retained for many years. Descriptions: Material: PET Specification: 7 blades / group Size: 52 * 18 cm Silver color Scope of application: agricultural land, orchard, garden, lawn, etc. Working principle: by reflecting light (or rotating the reflections from two sides of different colors) to achieve the effect of repelling birds. Broadcast content: 6 sets * anti-bird windmills