WindowAlert UV Liquid Marker Bird Strike Deterrent for Windows &amp Glass

- Save the beautiful songbirds you love. WindowAlert UV Reflective Liquid acts as a deterrent for wild birds from flying into glass windows and sliding doors. - UV Liquid is designed to fill in the gaps between our decals on windows - providing complete protection. WindowAlert decals catch the attention of birds. UV Liquid completes the visual barrier. - WindowAlert UV Liquid is easy to apply. Simply use our bingo markers to make dots on outside window glass. The dots dry to virtually clear and are easy to remove. - Each bottle contains 1 ounce of WindowAlert UV Liquid and lasts three months. For best results, apply with WindowAlert UV Decals. WindowAlert UV Liquid is made in the USA. - UV Liquid was pioneered in Bend, Oregon after two years of chemical engineering research. WindowAlert is the trusted source for prevention of bird window strikes and window collisions.