Seicosy (TM) Eye Bird Balloon, Pegion & Sparrow Deterrnet, Pack of 3(Yellow+Black+White) more tools Material: PVC, Weight: 100g, Diameter: 45cm Inflatable bird deterrent. Humane, chemical-free pest control device. Easy to install, effective; made of durable plastic for outdoor use. Will not damage trees or plants. Efficiently repel a number of common pest birds including pigeons, sparrows, starlings, swallows, crows, blackbirds, geese, seagulls, ducks, and woodpeckers. Particularly useful for guarding: Gardens, Yards, Homes and Apartments, Farm Fields, Fruit and Nut Orchards, Berry Patches and Fields, Stores and Office Buildings, Fisheries and Ponds, Boat Docks, Parks, Lawns, Swimming Pools, Shade Trees, Decks, Porches, Barns