Multipurpose Barcode Asset Tags (Pack of 100) Pre-printed barcode tags make it easy to organize everything Each tag has a unique, 7 digit barcode - we never print the same barcode twice! 2-1/4" x 1-1/4", Rectangle, White, Direct Thermal, BPA Free, Permanent-Adhesive Barcodes printed using Code 39 Symbology, which can be read by just about every scanner on the market.