Aplitape 4000 is a standard grade saturated paper premask, coated with a low tack rubber adhesive. This product is excellent for protecting large format digital and screen printed graphics, and also a good choice for masking plastics, such as acrylic, Formica, PETG and polycarbonate, and metals such as polished steel and aluminum. You are buying 1 roll 7" x 100 yards ea. New