silicone stopper 1.Material:rubber 2.Size:different size 3.Used for glass bottle,pot,canister,tube, Pipe silicone stopper 1. Material: 100% Food grade silicone 2. Size: Different size3. Used for glass bottle, ceramic pot, canister, and other bottles.4. Advantages: safety, Eco-friendly, water proof, damp proof,and guarantee goodsealing5. Different design and color are available6. Packing: PE and ...