Conrad phosphorescent glow in the dark tapes 5m conrad 93014c607 the conrad 548873 phosphorescent glow in the dark tape 50mm x 5m is a quality tape for securing marking of stairs ramps wet areas while their glow in the dark ability make it ideal for use at nighttime the tape glows for hours after irradiation with uv light therefore making them perfect for labeling marking and warning of obstacles and dangers for instance on stairs in a stage area conrad 93014c607 phosphorescent