The H100X122H1T-2 Thermal Transfer Halogen-Free Heat-Shrink Label is 2-sided and made of flame retardant, low smoke cross-linked polyolefin. The heat-shrink sleeve is designed to provide a clear, reliable, and durable way to identify wires and cables. The heat-shrink labels are mounted on a plastic carrier and offer crisp, clear legends with superior readability. Polyolefin. 1" x 1.22" (25.4 mm x 31 mm). 0.75" (19 mm) diameter. Color White. 500 per roll.