"Goop" Anti-theft Gel

This easy to use gel can be applied to any surface and is virtually invisible! When contact is made it begins to dye the skin BRIGHT BLUE immediately. Even if wiped off quickly it is very tough to remove. Can only be seen under UV/Black light. Great in situations where immediate apprehension cannot be made. Can remain on skin for several days even after washing! Tough Stuff! Large 4 oz. container.