1, made form PE 2,a protection wear for electric wires,and make them insulation and look nice 3,many colors are available JIANGSHAN ZHENGDA PALSTIC CO.,LTD is specialized in cable ties,nail clips, Expansion tube,terminal blocks,positioning chip,hardware accessories products. Material: made from PE.Usage:fix one with safery belt first,then circle the wires clockwise to make them tighen.Application ...