MaterialStainless Steel, Rubber ColorBlack, Silver Special FeatureLeak-proof ReusabilityReusable Package Contents12 Pieces The inner diameter of the bottle mouth: Approximate 2.2cm(22mm, 0.87 inch) 1.Material: The Spout Is Made of Quality Stainless Steel Material. Safe & Durable, Food Grade Rubber Stopper, It Keeps A Tight Seal so There Are No Leaks. 2.Design: These liquor spouts with tapered design offer control, accuracy and the most nicely consistent pour speed every time. When you use one of our liquor pour spouts you will experience less spillage and less mess. 3.Fit For: They fit a multitude of different liquor bottles, such as snow cone syrup bottles, olive oil spouts, vinegar spouts, wine spouts, alcohol bottles, etc. Easy to remove and replace, simply hand wash in soapy water and you'll be ready to use again. Durable, Easy to Clean & Long Lasting. 4.Safety: The lid of the oil pour spout protects your liquid from dust,they fully cover the pourer tube to protect from dirty. 5.Multipurpose and Wide Application: Suitable for Pubs, Clubs, Ktv, Restaurants, Bars, Coffee Shops and Diners; Applied to Liqueurs, Vinegars, Salad Dressings, Juice, Syrups, Oils and Flavorings etc.