This is a compatible replacement for the Brother TZe421 black on red laminated tape, measuring 0.35 inches by 26.2 feet (9 mm x 8 m). It is designed for use with Brother P-Touch Label Makers, providing reliable performance for both indoor and outdoor applications. Manufactured under strict quality assurance standards, this tape offers great print results at a more economical price compared to original Brother products. Backed by a 2-year guarantee, it is ideal for labeling on smooth flat surfaces.