50 TH - Thousand Library cards; 30 mil. composite polyester plastic (Teslin) library card; card size: 2.125" x 3.375"; 4/1 color: full-color CMYK front, black on back; Laminate: printing is done on 10 mil. polyester (Teslin) core, which is laminated with additional 10 mil polyester on both sides; Barcodes: unique, 14-digit Codabar barcodes need to be printed on the back of each card. Each card needs a corresponding barcode peel-off sticker affixed to and covering the barcode on each card. The peel-off sticker should be printed with the same barcode that is printed on the card underneath. The Library will provide a barcode range to the vendor upon ordering. The vendor needs to be able to calculate the appropriate check digit based on the start and end numbers provided by the Library. Proofs: digital proofs (PDF) with barcodes that can be scanned and confirmed