OGLO 25133 OGLO Tape- Green Fluorescent Oglo glow tapes are bright by day, and glow even brighter in the dark Easy tear ribs - no scissors needed No power or black light required - 10 minutes in any light and they will glow for hours (sun light works best) Great to use for craft projects, on backpacks, bikes, room decor, baseball bats... just about anywhere! Each roll is 1.65 inches wide by 40 feet long