Tubing: 1,Material:Silicon Rubebr 2,Various Sizes,Colors 3,Accept Customized Design 4,Manufacturer Direct Goods China Expert Supplier, Manufacturer, Of Silicone ProductsSilicone Sundries including :1, Rubber Tubing 2, O-ring3, Seal ring.....besides, custom design are highly welcomed .products color including :1, solid color2, mix color 3, transparent4, translucent following are the pictures for ...