Keeps paint out. Keeps line sharp. Multi surface application. 21 Day interior use and 7 day exterior use. "Frog Tape" is the only tape treated with "Paintblock" technology. "Paintblock" is a super absorbent polymer which reacts with latex paint and instantly gels to form a micro barrier that seals tape edges. "Frog Tape" was first on the market. 24 mm x 54.86 m.