... silicone bottle plug with through hole 1. Material:Silicone 2.Size:19.8xID15.88x25.4x5mm 3.Used for glass bottle, and Lids Good design silicone bottle plug with ... , Height: 25.4mm, Hole Size: 7mm3. Used for glass bottle, ceramic pot, canister, and other bottles.4. Advantages: safety, ... and color are available6. Packing: 500pcs per poly bag7. OEM service, custom design welcome, samples are available.