1. Packaging: There are 10 silicone wine stoppers, available in a variety of bright colors with random matching. They are multi - functional food - grade silicone sealing stoppers. (Yellow and orange are shipped randomly.) 2. Material structure: Made of food - grade silicone with stainless steel inside. The silicone is environmentally friendly, safe, hygienic and healthy. It is flexible, easy to clean, waterproof, moisture - proof, corrosion - resistant, less likely to breed bacteria, and can be reused. 3. Dimensions: It is 62 mm in length and 23.5 mm in width. It has built - in stainless steel fillers to increase the product's hardness and improve the sealing performance. The outer layer is made of silicone, which is easy to insert and remove, convenient to put into the bottle mouth, simple to operate, time - saving and labor - saving. 4. Convenient and practical: It has relatively strong sealing performance. The multiple sealing rings of the silicone wine stopper can tightly seal the bottle mouth, reducing the air convection between the inside and outside of the bottle, and slowing down the oxidation of red wine. It has no odor when in use, is beautifully designed, and is suitable for many kinds of regular wine bottles. 5. Wide range of uses: Suitable for various bottle mouths, such as soy sauce bottles, beverage bottles and wine bottles. It can be used for different types of wines, such as red wine, white wine, beer, etc. The preservation time can be more than 7 days, helping to ensure that the opened wine does not deteriorate for a relatively long time. It is an important small item for the family.