uxcell 2M 70mm Green PVC Heat Shrinking Tubing Cover for 4 x 18650 Battery Country of Manufacture: CHINA; Material: PVC; Net Weight: 38g Package Content: 1 x PVC Heat Shrink Tubing; Brand: DMiotech; Main Color: Green Operating Temperature: -55c+105c; Length: 2M/6.5Ft; Flat Width: 70mm/2.8" Fit for: 4 x 18650 Battery(Not Included); Shrinking Temperature: 98c; Wall Thickness: 0.2mm (Before Shrinkage) Rated Voltage: 300V; Transversal Heat Shrinking Ratio: 48%; Longitudinal Heat Shrinking Ratio: 8%