DealMux 5M 50mm Dark Green PVC Heat Shrink Tubing Wrap for 2 x 18650 Battery Country of Manufacture: CHINA; Material: PVC; Net Weight: 73g; Package Content: 1 x PVC Heat Shrink Tubing Brand: Assisi; Main Color: Dark Grren; Operating Temperature: -55C-+105C Length: 5M/16Ft; Flat Width: 50mm/2'; Fit for: 2 x 18650 Battery(Not Included) Round Diameter: 30mm/1.2'; Shrinking Temperature: 98C; Wall Thickness: 0.2mm (Before Shrinkage) Rated Voltage: 300V; Transversal Heat Shrinking Ratio: 48%; Longitudinal Heat Shrinking Ratio: 8%