Protect your home, garden and patio from pesky birds with reflective pest control eye disks. Easily hang one of these bird repellent disks from gutters, trees, fences, balconies, garden stakes or elsewhere using their metal split-ring attachments. When breezes blow, these sturdy bird deterrent disks will flash and twist in the wind, scaring away birds and other pests. Polypropylene. Set of 5, each measures about 5".