With DYMO LabelWriter labels, labeling folders, files, and other items becomes a true pleasure. These labels are not only easy to handle but also of the highest quality. They ensure that your labels are clear and precise. Organize your workspace or home in a new way. Label files, cabinets, and supplies, or anything else your environment holds in no time. Transform your workspace or home into a space that enhances your productivity and creativity. DYMO LabelWriter labels are printed using thermal direct printing technology, eliminating the need for expensive ink cartridges or toner. This allows you to save time and money. The paper labels are FSC certified, sourced from responsible sources, and produced sustainably. They come packaged in rolls for efficient handling and storage. Important details: Thermal direct printing, so no ink cartridges or toner required. Packaged in rolls, easy to handle. Available in many sizes. Ideal for mail shipping, package shipping, and special applications. FSC certified. All labels are compatible with Label Writer EL 40/60/310/320/330/400/400 Turbo/Twin Turbo Duo/450/450 Turbo/450 Twin Turbo/450 Duo/4XL.