Blue fine crepe paper masking tape with Bloc-it™ Clean Line Technology is a specially formulated pressure-sensitive, synthetic rubber adhesive designed for exposure to sunlight for up to fourteen days. Exhibits easy, clean removal from most surfaces. Excellent conformability as well as smooth backing for superior paint lines and reduced fingertip abrasion. Consistent, easy unwind and resistant to humidity and paint bleed-through. Also has secure adhesion and is stain-resistant.