【SAFETY FUNCTION】--- Protects fruit trees, garden furniture as well as roofs, awnings, flower beds, ponds, balconies, etc. Ideal for discouraging birds, pigeons, blackbirds to avoid droppings or destroying crops. 【DECORATIVE AND SMART】--- These grinders are easily inserted into the ground, perfect for decorating your garden . It reflects lights from multiple angles. Birds will stay away from your house or garden. You have a shiny object that reflects the sun. 【REFLECTIVE SURFACE】--- They spin in the wind and reflect light which can keep birds away. The reflective properties will remain for many years, even if exposed to sun or rain. 【ECO-FRIENDLY AND RESISTANT】--- Free of chemical and technical elements, they do not harm birds, respectful of the environment. It avoids the elimination of pests aggressively and prevents harmful chemicals from entering our body and our environment. 【LONG TERM USE】--- High quality material, solid and durable, long duration of use. Even if exposed to sunlight or rain, the reflective characteristics will last for many