uxcell 4 Sizes 2:1 Polyolefin Heat Shrink Tubing Tube Assorted Color 180 Pcs Country of Manufacture: CHINA; Material: Polyolefin Net Weight: 90g; Package Content: 180 Pcs(+/-2%) x Heat Shrink Tube,1 x Box Main Color: Black, Red, Blue, Yellow; Temperature Level: 125 Celsius Degree Flammability: VW-1; Total Length: 30mm/1.2",60mm/2.4" Before Shrinking Diameter: 3.5mm,3.0mm,2.5mm; Shrink Ratio: 2:1