Heat Shrink Tubing, Thin Wall, Material Polyolefin, Flexible, Flame Retardant Yes, Adhesive Lined No, Shrink Ratio 2:1, Use With Wire Size 23 AWG to 17 AWG, I.D. Before Shrinking 0.05 in, I.D. After Shrinking 0.02 in, Wall Thickness After Shrinking 0.02 in, Length 4 ft, Shrink Tubing Properties Acid and Alkali Resistant, Solvent Resistant, Color White, Temp. Range -67 Degrees to 275 Degrees F, Package Style Individual Pieces, Min. Shrink Temp. 212 Degrees F, Dielectric Strength 900 V