4" x 1" Direct Thermal Labels. 1,375 per Roll on 1" Cores. Compatible with Desk Top Zebra Printers. Blank Labels Brand Manufactured in the USA. (2 Rolls) 4" x 1" Direct Thermal Labels on Rolls 1" Cores for Desk Top Zebra Printers 1,375 Labels per Roll Manufactured by Blank Labels in the USA BPA Free