Different colors can be used to mark different types. You can distinguish them at a glance, avoid confusion in sufficient quantity to meet your needs These silicone beer bottle caps have excellent sealing properties, keeping beer fresh after opening and preventing dust from falling in, making them cleaner and hygienic. They are soft and , not easy to deform or age after long-term use The beer bottle cover silicone are simple to use - just cover them gently to achieve freshness preservation and sealing without complicated operations. The bottle cap is convenient to clean, it can be reused for many times, which is very environmentally friendly reusable soda bottle caps are suitable for most bottles, can be used in kitchens or restaurants, etc.