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 Multi-Surface is a medium adhesion painters tape designed for use on:Cured painted walls:Wood trim:Glass:Metal FrogTape Multi-surface will remove cleanly from most surfaces for up to 21 days and seven days in direct sunlight.