Uxcell a15012900ux0395 85 mm/55 mm PVC HEAT Shrink Tubing Wrap Black 2M for 18650 Battery Pack Country of manufacture: China; material: PVC; net weight: 51G Package content: 1 x PVC heat shrink tubing; main color: black; flat width: 85mm/3.3 inch Round diameter: 55mm/2.2 inch Total Length: 2M/6.5Ft; shrink temperature: 80C Shrinking rate: 48 percent ; fit for: for 18650 battery pack