PT7 ProMask Blue Designer 2.83 in. x 60 yds. is a dark blue, crepe paper masking tape with a specially formulated pressure sensitive acrylic adhesive designed for exposure to sunlight for up to fourteen days. Use it on walls, trim, metal, glass. Exhibits secure adhesion and easy, clean removal on polyurethane-coated surfaces, unfinished wood, wallpaper or new, unpainted or freshly painted wallboard. Resistant to humidity and paint bleed-through.