materials: the automatic measure liquor pourers are made of plastic, which is a durable material and will not corrode and rust , safe and sturdy; Pourer covers are made of plastic, translucent and flexible, easy to clean Wide applications: suitable for most bottles and can be fitted on most standard liquor bottles, at the same time, can be applied with , syrups, and oils; Note: inaccurate pourers will occur when they work with water Practical to use: with the standard capacity of 1 oz/ 30 ml, the pourer features a clear spout that will reduce wear and tear, and a white tail can help to distinguish it from liquor pourers of different sizes, the automatic measure liquor pourers are easy to install and remove, convenient to use Reduce waste: the automatic measure liquor pourers an Perfect way to reduce over pouring and spills and to maintain cleanliness, which can help you save two to four per and much time in cleaning size:9.7 x 3.8cm Material:plastic colour:Black+transparent Package Contents: 8 x Automatic measure liquor pourers Only the above package content, other products are not included. Note: Light 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.