PaintBlock® Technology, which forms a micro-barrier that seals the edges of the tape, to prevent paint bleed. The result is very sharp paint lines and less time spent on touch-ups. FrogTape Delicate Surface is a low adhesion painters tape designed for use on:Freshly painted surfaces (24 hours old):Primed plasterboard:Wallpaper FrogTape Delicate Surface will remove cleanly from most surfaces for up to 60 days.