Reliable Materials: The self-measuring liquor pourers are made of plastic, a durable material that won't corrode or rust easily, the small balls inside are made of 304 stainless steel, safe and sturdy; The lids of the pourers are made of polyplastic, translucent and flexible, easy to clean. Wide Applications: Suitable for most bottles and can be installed on most liquor bottles, at the same time, can be applied with juice, syrups and oils; Note: Inaccurate pouring will occur when running with water. Convenient to Use: With a standard capacity of 1oz/30ml, the pourer features a transparent spout which will reduce wear and a tail can help easily distinguish it from liquor pourers of different sizes , self-measuring liquor pourers are easy to install and remove, convenient to use. Reduce Waste: Self-Measuring Liquor Pourers offer a great way to cut down on spills and spills and to maintain cleanliness, which can help you save two to four drops per bottle and save you a lot time in cleaning. Package Included: You will get 12 pieces of self-measuring liquor pourers, each measuring liquor pourers with two ball bearings for controlled, smooth and precise pouring, good tools for your daily use.