uxcell 3mm Dia 2:1 Polyolefin Heat Shrink Tubing Shrinkable Tube 30mm 500pcs Country of Manufacture: CHINA; Material: Polyolefin; Net Weight: 48g Package Content: 500pcs(+/-2%) x Heat Shrink Tube; Main Color: Black; Before Shrinking Diameter: 3mm/0.12" After Shrinking Diameter: 1.5mm/0.06"; Shrink Ratio: 2:1 Rating Voltage: 600V; Temperature Level: 125 Celsius Degree Flammability: VW-1; Each Size: 3 x 30mm/0.12" x 1.2(D*L)