WARNING In case I have not mentioned this, this is not a REAL military vehicle pass. It is only a reproduction made to look authentic. If you apply this decal on your car and try to enter any official military base they will shoot first, they have no sense of humor. The image is reverse-printed and then a white backing is applied. When peeled off the backing paper and applied on the inside of your window facing out, the image will be readable, just like other types of parking permit decals. How to apply window cling decals: Apply to any clean surface This decal is intended to be applied on the inside of your automobile windshield or window.. If you were to apply it to the outside of your car window the elements would cause deterioration. If applied correctly and carefully the decal will last for many years. Peel the backing paper away from the decal. Try not to bend or crease the decal during this process. Carefully position the decal where you want it and press in place. Small air bubbles can be worked out by gently rolling the bubble towards the edge using your fingers. Decal is removable and can be repositioned.