Designed to reflect Ultraviolet and Full Spectrum sunlight to scare birds and secure decks, docks, balconies, trees, fruit, vegetables, porches, urban gardens, and more. Designed to mimic predator eyes and reflect light that deters thieving birds and other garden pests, to provide effective and safe dissuasion that does not harm wildlife. Non-toxic and topped with a resistant coat to make it more durable. The eyes are double-sided and simple to install, simply remove the decoy from the package, and hang or tie down to the desired surface. 4-pack.