Packaging: 10 Pcs Silicone Wine Stopper; A Variety of Colors, Bright Colors, Random Matching, Multi-Functional Food-Grade Silicone Sealing Plugs (Yellow and Orange Are Randomly Shipped). Material Structure: It Is Made of Food Grade Silica Gel. The Inside Is Made of Stainless Steel. The High-Quality Silica Gel Is Environmentally Friendly, Safe, Hygienic and Healthy, Flexible, Easy To Clean, Strong Sealing, Moisture-Proof and Corrosion-Resistant, Not Prone To Bacteria, and Can Be Used Repeatedly. . Size: Length 62Mm, Width 23.5Mm; Built-In Stainless Steel Filling, Increase Product Hardness, Strengthen Sealing Performance, Silicone Outer Layer, Easy To Plug, Easy To Put In The Mouth of The Bottle, Operation Saves Time and Energy. . Practical and Practical: The Seal Is Strong. The Multiple Sealing Rings of The Silicone Wine Bottle Cap Tightly Seal The Bottle Mouth, Block The Convection of Indoor and Outdoor Air, Delay The Oxidation of Red Wine, Use No Odor, and The Design Is Exquisite and Beautiful, Which Is In Line With Various Traditional Wine Bottles.