Environmental friendly and harmless- The package includes 12 pcs*30cm bird repellent, made of eco-friendly materials, non-toxic and chemical-free, and will not cause any pollution to the environment. environment. Which is safer and more effective than bird thorns and ultrasonic repellents.Effective protection- The full reflective design can effectively repel birds and reduce various bird disasters, such as the fruit pecking, indoor nesting, unsanitary and difficult cleaning of bird droppings, the generation and spread of poultry disease, etc.Dual function- Please use it in a well-lit and ventilated place, so that it can exert its best effect. This bird repeller not only can repel birds without harming them, but also can decorate your house, garden and farm. What's more, it is durable and can be used repeatedly.Long-Term Use- Easy to install and remove, Reflective Repellents in the wind rotate and reflect and dodge the light that causes birds to panic . Even if exposed to sunlight or rain, the reflective properties are retained for many years.Scope of application- Bird scarer bars are suitable for balconies, patios, roofs, patios , gardens, farms and other places.