Our visual reflective decorative spinners use wind movement and light reflections to keep birds away from any angle. 10 Sparkling Reflective Mylar Windmills that Spin Easily in Breeze to Protect Your Garden, Farm, and Lawn by Creating Bright Flashes That Confuse Bird Flight Humanitarian Solution: Bird repellents are made of safe, non-toxic plastic materials that do not harm the environment and animals. Great for preventing birds from hitting windows, leaving droppings, burrowing, or nesting. EASY INSTALLATION: Just tie the ropes around every visible area where you need to repel birds, no hammers and nails needed, no matter the harsh environment, it's durable and reusable without compromising its functionality. Yard Decor: A beautiful look that will be a beautiful addition to your patio in the summer sun, adding a pop of color to your home. VERSATILE USE: Use the hanging reflective bird repellent to easily create your bird-proof area, protect your home, garden, balcony, fruit trees, swimming pool, car, house, patio, lawn, pond, and make your home cleaner and tidy.