Our heat shrink is flexible and made from flame-resistant polyolefin. - Made to UL224 E180908 125°C.- It shrinks to 50% of its size.- Shrink with a heat gun, hairdryer or a gas burner, match etc. Specifications Operating Temperature : 125°C Packaged Volume : 0.12l Packaged Weight : 0kg Packaged Length : 120cm Packaged Width : 1cm Packaged Height : 1cm Shrink Ratio : 2:1 Heatshrink Length : 1.2m Rated Voltage : 600V Halogen Free : true