This tag measures 1.2" x 2.8" (30mm x 70mm) and has a 6" outside diameter and a 1.5" core. There are 900 tags per roll and 20 rolls per case or 18,000 tags in a case. Direct Thermal. REMINDER: Pre-paid orders over $150.00 quality for FREE SHIPPING (Continental U.S. Only, Limit One Destination, UPS Ground)