Save birds from window collisions with these amazing dragon window clings. Window Gems break up reflections on the glass and warn birds away in time to avoid window strikes Comes in a package of 6 dragon designs. They range in size from 4" to 8" across.  Measurements are taken from nose to tail or wing tip to wing tip, whichever is greater. Window Gems are made with a prismatic vinyl which captures sunlight and turns it into rainbows all over your house. They are stunning, constantly changing, and perhaps a teeny bit magical. Any light source makes the gems glow with rainbows, even moonlight. The decals stick to the window purely with static cling, not adhesives, so they are movable, reusable and never fade. Handmade in Mount Shasta, California Instructions: Apply Window Gems to OUTSIDE of windows for maximum bird protection. After washing window well, apply gems smooth side toward the glass. You can feel the textured side with your fingern...