A. Packaging: There are 10 silicone wine stoppers, which come in a variety of bright colors randomly matched. They are multi - functional food - grade silicone sealing stoppers. (Yellow and orange are shipped randomly.) B. Material structure: It is made of food - grade silicone with stainless steel inside. The silicone used is environmentally friendly, safe, hygienic and healthy. It is flexible, easy to clean, waterproof, moisture - proof, corrosion - resistant, not likely to breed bacteria, and can be reused. C. 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. D. 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 nicely designed, and is suitable for most regular wine bottles. E. Wide range of uses: It is suitable for various bottle mouths, such as those of soy sauce bottles, beverage bottles and wine bottles. It can be used for different kinds of wines, such as red wine, white wine, beer, etc. The preservation time is about 7 days or more, helping to ensure that the opened wine does not deteriorate for a relatively long time. It is a useful small item for the family.