Wire Marking Sleeves Color Blue Legend None Width 1 In. Height 2.433 In. Material Brady B-342 Heat Shrink Polyolefin Double-Sided Print Min Wire Size 0.5 In. Max Wire Size 1.45 In. For Use With Thermal Transfer Printers Labels per Roll 500 per roll Shrink Ratio 3 1 Max Lines of Print Varies Temp Range -67 to 275 Degrees F