Thickening Material:The bird-proof windmill is made of thickened PVC material, which is not easy to age, corrosion-resistant, and can be used for a long time. [Featured Characters] High-quality reels, fixed connection, can be rotated as long as there is wind. Not easy to get old. High reflectivity:PVC material has high reflectivity and strong flash, which can effectively repel birds. [Toys or Decorations] Beautiful windmills can be used as children's toys or decorations for gardens, farms, balconies and roofs. Wide application:Widely used in gardens, orchards, fish ponds, vegetable gardens, etc., which can effectively drive away birds without harming them. 4 Piece Reflective Pinwheel feature: 1. [Clear Color] Product color is light, laser reflection, not easy to fade. 2.No harm to birds:The wind turbine does not contain any chemical elements, it will chase the birds without harming their lives. 3. [Easy to use] Just insert the product into the soft ground or attach it to a branch or railing. 4. [Decoration] Colorful and easy to turn, perfect for decorating gardens, roofs, balconies, etc. Specification: Material: PVC Weight: 35 grams Packing: 4 reflective pinwheels