Rubber Tubing: 1) Material: silicone, EPDM, nitrile, neoprene 2) Durometer: 55-85 shore A 3) Color: transparent Rubber Tubing :1) Material: silicone, EPDM, nitrile, neoprene2) Durometer: 55-85 shore A3) Color: transparent, blue, black, yellow 4) Outside dimensions: 2mm to 90mm5) Other specifications can be made according to your requests