The thermal transfer military grade heat-shrink label in white is one-sided with a 1/2" (12.7 mm) diameter and made of 3:1 flattened polyolefin. It is 2.0" wide and 0.84" high (50.8 x 21.3 mm). The heat-shrink sleeve is designed to provide a clear, reliable, and durable way to identify wires and cables. The sleeve has 1 label per row and 500 labels per roll. Heat-shrink labels are mounted on a plastic carrier and offer crisp, clear legends with superior readability for quick and easy label production in all label formats, including thermal transfer and dot matrix printable. .. see full description