All-purpose labels feature a strong, vinyl construction to protect it from moisture, chemicals and UV rays. Easy-to-peel, split back lets you quickly expose the adhesive for simple label application. Thermal transfer printing technology protects from smearing and fading for long-lasting print visibility. Indoor/outdoor labels are perfect for labeling assets, networking components, cables, shelves, bins, beams and more. Cartridge is designed for use with Dymo XTL 300 and 500 labelmakers (sold separately).