Main Material: PE of soft,fireproof,enviroment protected,halegon free Approved by UL 224,rating sed temperture 125 cent degree,rating voltage 600 V and VW-1 fireproo。Approved by CSA 224,rating sed temperture 125 cent degree,rating voltage 1KV and VW-1 heat-resistant。Suitable temperture: - 55 cent degree to 125 cent degree Available Color: Black,white,red,blue,yellow,grean,brown,gray,orange,purpleRatio of shrinking: 2:1