Fangrui Product Details Reliable Materials: The Automatic Measure Liquor Pourers Are Made Of Plastic, Which Is A Durable Material And Will Not Corrode And Rust Easily, Safe And Sturdy; Pourer Covers Are Made Of Poly Plastic, Translucent And Flexible, Easy To Cleanwide Applications: Suitable For Most Bottles And Can Be Fitted On Most Standard Liquor Bottles, At The Same Time, Can Be Applied With Juice, Syrups, And Oils; Note: Inaccurate Pourers Will Occur When They Work With Waterpractical 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 Easily Distinguish It From Liquor Pourers Of Different Sizes, The Automatic Measure Liquor Pourers Are Easy To Install And Remove, Convenient To Usereduce Waste: The Automatic Measure Liquor Pourers Provide An Way To Reduce Over Pouring And Spills And To Maintain Cleanliness, Which Can Help You Save Two To Four Drops Per Bottle And Save You Much Time In Cleaningsize:9.7 X 3.8cmmaterial:plasticcolour:black+transparentpackage Contents:8 X Automatic Measure Liquor Pourersonly The Above Package Content, Other Products Are Not Included.note: Light Shooting 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.