Properties: 1. HIGH QUALITY AND STRONG LIGHT: Made of thick PVC, it can reflect strong light from multiple angles. Multiple angles of refraction combined with wind movement to frighten, confuse and discourage woodpeckers and other birds from adapting to the environment. 2. SIZE:5 reflective spiral tops, 23 cm in diameter, light and easy to hang.3. PLEASANT AESTHETICS - Hang in front of the window, on your boat dock or in trees to keep pesky birds away from the garden without having to deal with unsightly objects birds must. Also serves as a bird repellent and decorative garden accessory to beautify your surrounding home and garden.4. PROTECT YOUR PROPERTY Simply hang and create your own anti-bird zone to keep unwanted pests away from your home, garden, balcony, fruit trees, Keep cars and appliances away. Our new spiral device lasts longer, is more effective against pigeons, woodpeckers, crows.5. PROTECT BIRDS A recent AOS study estimates that an average of 600 million birds die each year from window collisions; The majority of these deaths come from residences. Help the cause, simply hang baffles to save a life while protecting your home. Note: Actual color may be slightly different due to different monitors and light effects differ from the picture Please allow 1-3cm difference due to manual measurement Description: Material: PVC < li>Diameter: 23 cm< br/> includes: 5 anti-bird strips< /li>