Tach-It WS-1.5 Wafer Seals are designed specifically for use on our L-Clip Label Applicators Models 6500-TL, 6510-TL, Mini-Con L and Mini-Con L-80. Strict quality control and testing ensures consistent film thickness and adhesive coverage. Our WS-1 are 1 1/2 inch in diameter on a 3" core. There are 3,500 labels per roll and 14,000 per case (these are sold in case quantities only). Using a rubber based high tack adhesive, our wafer seals offer permanent adhesion, even for cold temperature and freezer applications. The WS-1 is food compliant 21 CRF 175.105. Other diameters and shapes of Tach-It Wafer Seals are available and with a shelf life of up to 2 years when stored properly, these seals are perfect for sealing boxes and mailers.