1. Packaging: 10 silicone wine stoppers, available in a variety of bright colors randomly matched. 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. High - quality silicone is environmentally friendly, safe, hygienic and healthy. It is flexible, easy to clean, waterproof, moisture - proof, corrosion - resistant, not prone to breeding bacteria, and can be reused. 3. Dimensions: 62 mm in length and 23.5 mm in width. It has built - in stainless steel fillers to increase the product's hardness and enhance 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 strong sealing performance. The multiple sealing rings of the silicone wine stopper tightly seal the bottle mouth, preventing the air convection between the inside and outside of the room, slowing down the oxidation of red wine. It has no odor when in use, is beautifully designed, and is suitable for all 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 a variety of wines, such as red wine, white wine, beer, etc. The preservation time is more than 7 days, ensuring that the opened wine does not deteriorate for a long time. It is an important small item for the family.