Safe and Humane : Made from non- material, our spiral rods 't harm a single , providing a responsible way to deter birds and prevent window strikes. Highly Effective Bird Deterrent: Our large 12-inch size and multiple angles of refraction points combined with wind motion effectively scare, confuse, and prohibit and other birds from adapting to your environment Aesthetic Enhancement: These bird repellent rods double as decorative spinner ornaments, adding beauty to your home and garden while effectively deterring birds. Protect Your Assets with Ease: Easily create your anti-bird zone and deterring birds from your patio, garden, balcony, fruit trees, automobiles, and equipment. Each of them comes with a nylon lanyard that can resist strong winds. Easily hang these repellent spinner on your area with direct sunlight and breeze for effective use.