The measured liquor pourer is made of premium material to ensure its durability This product fits on most standard liquor bottles and serves as a wine pourer and stopper. It provides an effortless way to reduce over-pouring and spilling, which is a convenient and practical tool. These liquor pourer is great for employing in place such as home, espresso shop, bars, club and restaurant. Operating Instructions for Quantitative Wine Spout: Step 1: Please shake the pouring spout before use to ensure that the steel ball will not get stuck. Step 2: Adjust the bottle to a wide angle (about 60 degrees) when pouring. Step 3: Pour again, straighten the wine spout and pour again. Step 4: A bottleneck of approximately 18mm-20mm is required for use. To blow the air out, the data is usually a little off on the first test and will start to be accurate in the right way on the second or third test. Material: plastic+metal colour: parent Package Contents: 10 x quantitative wine pourer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!