Fade and UV light resistant, ensuring years of error-free scansComputer produced images are printed with light-fast, durable, polymerized inks on 4mil, 60 lb. white, acid-free paper. They offer great consistency and readability at a very favorable cost. Labels are safe for archival use.Labels are smudge-proof and guaranteed to scan the first-time, every time. Features 1mil acid-free adhesive that will stick to a variety of surfaces. Labels are available with or without lamination in singles, doubles and pairs.All labels may be printed with or without library name.Once item is placed in cart, you will be prompted to specify type of bar code (patron, item or other), symbology (Codabar or Code 39), bar code heading imprint, number of digits, beginning and ending number, if bar code check digit is required and bar code check digit type (Gaylord Proprietary, MOD 10, MOD 43, or none).Sold in sheets; 66 bar code numbers per sheet; 1,000 per package.Overall dimensions:Part Number Type Description Dimensions J120 Singles Non-laminated 5/8H x 2"W J120L Singles Laminated 5/8H x 2"W J120P Pairs Non-laminated 1 1/4H x 2"W (each 5/8H x 2"W) J120PL Pairs Laminated 1 1/4H x 2"W (each 5/8H x 2"W) J140 Doubles Non-laminated 1H x 2"W (top 11/16"; bottom 5/16") J140L Doubles Laminated 1H x 2"W (top 11/16"; bottom 5/16")