rubber hose material:EPDM, NBR, NR, Silicone, etc. Color:Black Size:Custom Non-toxic tasteless,anti-ozone, oil resistantance Rubber Hose MaterialEPDM, NBR, NR, Silicone, etc.ColorBlack or as your requirementsSizeAll kinds iof specifications and shapes available and your requests are accepted; your samples, drawings, or ideas are welcome; customized designs are welcomeUsuageAuto turbo, intercooler ...