High-quality : The stopper is made of high-quality ABS, PP and silicone, which is safe and environmentally friendly. The nozzle can be reused, is durable, and can be used with confidence. Universal size: These bottle pourers are suitable for most wine, alcohol, coffee, syrup, vinegar and olive oil bottles with an inner diameter of 1.9cm. Leak-proof design: The silicone plug has a threaded design and ventilation holes, which can help the spout stay in the bottle without leaking, and also protect the contents of the bottle from dust and insects. The ventilation holes can ensure that the new material has no peculiar smell. Easy to use: Just remove the cap from the bottle and push it into the nozzle. With one-handed operation, the cap can be opened and closed by gently pressing the cap. Widely used : Widely used in homes, restaurants, cafes, bars, KTV, nightclubs, etc. It is also ideal for bottles of spirits, olive oil, vinegar, liqueur, bourbon, wine, and juice.