... and color are available 3.Good quality silicone rubber tubes pass FDA 1.Terials:NBR,silione,NR,SBR,etc2 ... can make on you size3.Different sizes of Oil Seal,Rubber Seal, Rubber Gasket,O-Ring,etc4.You could option ... you like on the Oil O-Ring,Oil seal,Rubber Seal,Rubber Gasket:Black,red,white,yellow,brown,green, ... own order.5.Your OEM order of Oil seal,Rubber Seal or O-Ring and Rubber Gasket is welcome6. ...