FrogTape® is the only painter’s masking tape treated with PaintBlock® Technology. PaintBlock® reacts with emulsion paint to form a micro-barrier that seals the tape edges. The result is the sharpest lines possible, making touch-ups a thing of the past. FrogTape® is a true innovation, saving you time, money and giving you professional results first and every time. Keeps paint out, Keeps lines Sharp ™ This FrogTape® Multi-Surface Masking Tape has the following specification: Length: 41.1m Width: 24mm Supplied in a box.