1. PE,PP, PA 2. RoHS, CE, fireproof 3.. Color: black, white, other please ... . Length: All lengths are available Plastic corrugated tube1.Material: PE, PA, PP, PVC 2.Feature: Good-flexibility,friction resistant,acidoresistant corrosion ... line buch.5.Usage: Protect wire and cable.Best competitive price and excellent quality.PAOuter and inner diameterPE7—B/K4.5×7PE10—B ...