The thermal transfer halogen free heat-shrink label in yellow is 2-sided with a 1" (25.4mm) diameter and made of flame retardant, low smoke cross-linked polyolefin. It is 1" (25.4mm) wide and 1.65" (41.9mm) high. The heat-shrink sleeve is designed to provide a clear, reliable, and durable way to identify wires and cables. The sleeve has 2 label(s) 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.