Product parameters: Material: beer cap Color: color Size: 3*3*1 1. Keep drinks fresh. Beer bottle caps keep your drinks fresh for a long time and protect them from carbon dioxide loss. Keep your drinks fresh and keep insects outside. This can keep the beverage fresh and delicious for a longer period of time. 2. A variety of different colors: The silicone crown cap has 6 colors, red, black, green, blue, purple, and yellow. Bright colors can distinguish different bottles, so that there is no confusion, everyone has their own color. 3. Edible material: The beer bottle stopper is made of environmentally friendly food-grade silica gel, which is safe, durable, flexible, lightweight, reusable, easy to cover and disassemble. 4. Reusable: The silicone bottle cap is easy to clean, suitable for various bottle types such as mineral water, wine, sparkling wine, soda, cola, etc. Silicone bottle stoppers are very durable and therefore environmentally friendly. Depending on the strength of carbon dioxide, they are not suitable for fully filled bottles. 5. Plane mark: colorful crown cork seal, insect proof, full of fun in any barbecue celebration, birthday party or beer in the garden. The fresh-keeping cover is convenient for children to use, of course, it can also be used to cover homemade oil and vinegar.