Bird Spikes for Pigeons Small Birds, Pigeon Spikes Kit Cover 6M (20 feet), Fence Spikes Stainless Steel Bird Deterrent Repellent Spikes for Cats, Birds Control Defence Spikes (18 Pack, Uninstalled)PERMANENT HUMANE SOLUTIONThe bird spikes like a visual and physical deterrent, which can effectively repel birds, like pigeons, crows, seagulls, swallows, starlings, blackbirds and other large or small birds from landing or perching, but do no harm to them. The pigeon spikes also work for deterring animals like raccoons, cat, squirrel, snakes, mice. Joymi stainless steel bird spikes are safe, effective and permanent solution. WEATHER RESISTANT