Innovations America Songbird Essentials 30 in Universal Seed Hoop for Bird Feeders Attaches to virtually any bird feeder to catch dropped seeds Reduces waste and helps eliminate a food source for rodents in your yard Made of a lightweight exterior grade vinyl coated fiberglass mesh, and lightweight flexible tempered steel wire Catches seeds that would otherwise fall to the ground, saving you money, and preventing sprouting beneath your bird feeder Seed hoop also acts as a larger platform feeder that attracts larger birds like cardinals, jays, and juncos that would otherwise avoid your feeder