... stopper 1.Material:Silicone 2.Size:different size 3.Used for glass bottle,pot,canister,tube, Pipe butyl rubber ... Material: 100% Food grade silicone 2. Size: Different size3. Used for glass bottle, ceramic pot, canister, and other bottles.4 ... :Shanghai/ NingboPlace of Origin:Zhejiang China (Mainland)Application:used in different machines, cars, hardware,construction work equipment and so onPackaging: ...