Packing: 10 pieces of silicone wine stopper; a variety of colors, bright colors, random matching, multi-functional food grade silicone sealing plug. (Yellow and orange are shipped randomly) Material structure: It is made of food grade silica gel; the interior is stainless steel. High-quality silica gel is environmentally friendly, safe, hygienic and healthy, flexible, easy to clean, waterproof, moisture-proof and corrosion-resistant, not prone to bacteria, and can be used repeatedly. Size : length 62mm, width 23.5mm; Built-in stainless steel filler, increase product hardness, strengthen sealing performance, silicone outer layer, easy to plug, easy to put into the bottle mouth, time and energy saving operation. Convenient and practical: the seal is solid. The multiple sealing rings of the silicone wine bottle stopper tightly seal the bottle mouth, block indoor and outdoor air convection, delay red wine oxidation, use no odor, and the design is exquisite and beautiful, which is in line with various conventional wine bottles. Wide range of uses: suitable for a variety of bottle mouths, sauce bottles, beverage bottles and wine bottles. It is used for a variety of wines, red wine, white wine, beer, etc., and the preservation time is effective for more than 7 days to ensure that the opened wine will not deteriorate for a long time. It is an important accessory for the family.