1.100% silicone rubber material 2.any color and size are available 3. LFGB,SGS,Reach approved medical tube,medical hose,medical pipeAdvantages for silicone rubber tube(1). No taste, no toxicity, no contamination (environmental friendly)(2). Resistant to high temperature, aging, radiation, cold, heat,Acid, Chemical(3). Stand wear and tear, anti-sepsis, Soft, arc resistance, corona resistance(4). ...