Product Properties: Made of food-safe silicone material, airtight, good flexibility, freshness, suitable for opened wine bottles, beer bottles, spice bottles, beverage bottles, and other bottles. Material: Food grade silicone Size: 3.6 * 2.6 cm Quantity and color: 8 pieces (red + yellow + blue + green + brown + black + gold + silver) Packing area: 8 pieces of silicone bottle cap 1. Good quality - Made of environmentally friendly, food grade silicone. Reusable. The bottle is hermetically sealed with the reusable, dishwasher-safe closure. The closure set is particularly suitable for parties. The bottle, no matter if it is juice, soft drink, or beer, is sealed and no one knows who the drink belongs to. 8 different colors make it easier. 2. Airtight seal - Airtight and leakproof seal, maintains freshness and helps inhibit odors. Silicone wine bottle closures create an airtight vacuum seal and are freezer and dishwasher safe. 3. Easy to use - Seal your wine or other beverages on a daily basis. Durable and dishwasher safe, easy to clean. 4. Application - Suitable for wine, beer, champagne, and soda water bottles, even some larger sizes. 5. Package - 8 pieces (different colors) bottle caps. Perfect for outdoor activities, hiking, camping, picnics, etc.