It can resist a wide range of chemicals and oils as well as sunlight, moisture and . Great replacement to make your old battery pack look or you just want to be different on the track. Heat / Hair dryer and battery is not including in the package. Material: PVC Net Weight: 128g Main Color: Dark Green Operating Temperature: -55℃ - +105℃ Length: 2M/6.5Ft Flat Width: 50mm/2 Inch Fit for: 2 x 18650 Battery(Not Included) Round Diameter: 30mm/1.2 Inch Shrinking Temperature: 98℃ Wall Thickness: 0.2mm (Before Shrinkage) Rated Voltage: 300V Transversal Heat Shrinking Ratio: 48% Longitudinal Heat Shrinking Ratio: 8% Package Content: 4 x PVC Heat Shrink Tubing Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.