(High Efficiency) Reflective wind spirals and high-efficiency bird repellent tape are hung at a distance of 60 cm, birds dare not come closer. With this simple and safe combination, you can effectively scare birds away. (Reflective Wind Spiral) Spiral anti-collision strips. The combination of multiple breaking points and wind movement makes woodpeckers and other birds frightened, confused, and unable to adapt to their environment. Note: For best results, please use direct sunlight and breeze. (Non-toxic Material) Each spiral bird repellent is about 30 cm, made of harmless and premium plastic material, weather-resistant, non-toxic, and chemical-free, environmentally friendly bird deterrent and will not harm birds. Whether it's bird droppings on the car, a nest on the roof of the house, or cherries eaten in the garden, these problems are now a thing of the past. (Nature-Friendly Choice) The package includes 12 pieces bird repellent poles with 1 piece of bird repellent tape (2.4 cm x 80