This is a TOSHIBA TEC label product, part number LTX015015R1ST. It is a white, non-perforated thermal transfer (TT) label designed for high-quality printing and application. Each roll contains 1,000 labels, and the case includes 4 rolls.
These labels are 1.5 inches in diameter, feature a 3-inch inside diameter (ID) core, and a 5-inch outside diameter (OD). The labels are wound out, making them suitable for automated dispensing systems.