Shurtape PC-619 Fluorescent Duct Tape is a specialty grade duct tape which is available in 4 neon colors (green, orange, pink and yellow). Used for color coding, labeling, floor marking, book binding and stage preparation in the hospitality, motion picture & A/V, motorsports and floral industries. Shurtape PC 619 Duct Tape features include waterproof backing, good conformability, excellent tack and adhesion, easy unwind from roll and it is good for indoor/outdoor use. PC 619 orange, pink and yellow will fluoresce under a black light (green not so much). Please note this is not a glow-in-the-dark tape so it will not photoluminesce.