Desktop Direct Thermal 4 Inch x 2.5 Inch 1UP White Matte Paper Label Roll, 1-Inch Core, 4-Inch OD. 575 Labels/Roll. Standard rounded corners and perforations. Permanent Adhesive, Price is per roll. Sold by the roll. 16 Rolls/Case. Generic packaging. QUALITY DIRECT THERMAL LABELS MATERIALS REQUIRES NO RIBBON