Above photo is of actual decal on a dark tinted window (on left), on right, decal on clear window.
The decal is on clear adhesive material, and is designed to adhere to the outside of the window. The size is approx. 3"x5". The cost is $6.00 each. 
I will ship decal orders upon payment.
You can order them by sending a check to:
Pet Personalities
P.O. Box 7504
Gurnee, IL 60031