EFFICIENT - Perfect for keeping unwanted birds and pests out of your garden and off your property PROTECTIVE - Protect your vehicles, property, pool, crops, and more with these reflective spinners REFLECTIVE - Spiral bird repellent rods spin in breeze and create strong reflections scaring birds GREAT DESIGN - Deterrent rods can also be used as a decorative feature in addition to scare pigeons PERFECT SIZE - 5–12 inch wind twisters per package include hanging string