Industrial Thermal Transfer 4-Inch x 6.5-Inch 1UP (101.6mm x 165.1mm) White Matte Paper Label Roll, 3-Inch Core, 8-Inch OD, 900 Labels/Roll, standard rounded corners, perforations, permanent adhesive, PRICE IS PER ROLL, SOLD BY THE ROLL. 4 Roll/Case. Generic Packaging. PREMIUM THERMAL TRANSFER PAPER LABELS - WAX RIBBON REQUIRED. Compatible with Zebra labels and Zebra Industrial Label Printers