Multipurpose Thermal Labels, 3.5 x 1.3, White, 350/Roll, 2 Rolls/Box Durable thermal labels are scratch-resistant, smudge-free and resist water, dirt, dust and grease. Compatible with select DYMO®, Seiko®, Zebra® and Pitney Bowes® label printers and others. Packed in a secure bag to protect from light and ensure optimal performance. Permanent adhesive. Roll format with a 1" core.