PVC Heat Shrink Tubing is a thin-wall, low cost material offering good electrical and mechanical characteristics. When exposed to heat in excess of 98 degree for a few seconds, the specially formulated polyvinyl chloride material shrink and uniformly conforming to the shape of the object to be covered. Applications include insulation and jacketing of batteries, capacitors and similar objects-a vast range of applications in the production of industrial equipment, toys, sporting goods, electronics, and consumer products. Material: PVC Model: for 18650 Battery Main Color: Red Length: 2m/6.5ft Shrinking rate( section): equal 48% Heating Temperature: 98 C Withstand Voltage: 300V Net Weight: 30g Package Content: 1 x PVC Heat Shrink Wrap Note:Light 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 +/-1-3 cm.