These Brady 2" x 1" Ultra Aggressive Adhesive Multi-Purpose Polyester Labels with Ribbon for M4 and M5 Printers are perfect for general identification and marking powder-coated and smooth plastic surfaces. Rough, glossy and irregular surfaces are also no match for its ToughBond ultra aggressive polyester label material and its resistant to abrasions, extreme temperatures and solvents such as fuel, oil and water. Made with a permanent rubber-based adhesive that secures tightly to flat textured metals and smooth plastics alike, these labels re perfect for indoor and outdoor use. This cartridge provides 140 labels.