Highly Effective: The reflective bird deterrents are hung at a distance of 50 cm. Sunlight reflects off the rods, blinding the birds and making them afraid to come any closer. This simple and harmless combination effectively drives them away. Non-toxic material: Each spiral bird deterrent, approximately 29 cm in length, is made of a harmless, premium plastic material. Weatherproof, non-toxic, and chemical-free. Deters birds in an environmentally friendly way and does not harm them. Whether it's bird droppings on your car, a nest in your roof, or cherries eaten in your garden, these problems are now history. Nature-friendly alternative: This bird deterrent can solve some bird problems. No animals are killed and no chemicals are released into nature. Natural pest control. Aesthetically pleasing: The wind spirals sparkle and look beautiful in your garden. The spiral design is a perfect fit for any home and garden. These pigeon repellent products are ideal for deterring birds or as decoration for your home, garden, or balcony.