... 2,transparent or other color 3,various size 4,FDA food grade FDA food grade transparent medical silicone rubber hose 1.Non-toxic and ... ) any is available ;3.Thin or thick wall silicone tubing in various sizes;4.Material:Silicone rubber with standard characteristics or ... and models can be customized according to requirement6.FDA ,Rosh ,food grade ,can use in the medical, food ,manufacture,etc area .