Prevent bird window strikes with these gorgeous decals. The prismatic material used refracts sunlight into a kaleidoscope of changing colors which birds’ eyes are quite sensitive to. As the bird flies near the Window Gem, the colors shift, warning him that this is something to be avoided. Save birds while having something unique and artistic on the window. 7 -9 decals per package, depending on design. Window Gems.

Window Gems Decals