Use these JAM Paper Mailing Address Labels to ensure your information gets noticed. The 4" x 5" labels boast a smooth finish and a vibrant hue, making them ideal for organizing at home or the office, mailing packages and more. Compatible with most printers or can be written on with pens or markers. Makes an ideal way for creating personalized labels at home or in the office. Ideal for mailing packages, labeling gifts or staying organized at home. Made with acid-free paper with a smooth finish to resist fading. Permanent adhesive provides a reliable hold.