silicone rubber tube stopper 1.Material:Silicone rubber 2.Size:Top19 x Bottom16 x H12mm 3.For bottles,pot,, Pipe,Tube Customized silicone rubber tube stopper1. Material: Silicone rubber2. Size: Top19 x Bottom16 x Height12mm3. Used for glass bottle, wine bottle,water bottle, ceramic pot, and other bottles.4. Advantages: safety, Eco-friendly, water proof, damp proof, and guarantee good sealing5. ...