You may have trained your dog to take care of your family under any and all circumstances but you never really want to know what they're capable of. If this is you, order one of our Guard Dog on Duty Signs in the hopes that you never find out what Fido can do. Our guard dog signs are vinyl printed on high quality aluminum signs with .5" holes. Our aluminum guard dog signs measure approximately 18" x 12" and most of our orders ship next business day so order yours today!