HeroFiber Invisible Ink Spy Pen – Black with UV Light

12 mini notebooks with "TOP SECRET" stamped on the cover – 20 pages – 2.5" x 3.5" Write with the invisible marker on the pad (or any surface). looks invisible until the included light is shined on the text Manufactured by HeroFiber. Great set for writing secret messages or practicing spy skills – wont disappoint! Your satisfaction is our responsibility. If you are not completely satisfied with your products we will issue you a full refund 12 black invisible ink markers with black-light LED on cover (batteries included)