it is made of Natural rubber, very good quality,both ends with 1/4 male NPT fittings, mainly exported to USA. WP 20bar BP 60 BAR The inner and outer layers are composed of synthetic rubber.the middle is man-made synthetic fiber.the apperance is bright red,blue,green or other colors.RUBBER AIR HOSEITEM NOIDOD(MM)WP(PSI)BP(PSI)LENGTH (M)/ROLLPACKGAEINCHMMSTC103/16"511.5300900100Packed with plastic ...