These Stainless Steel bottle spout are supplied with a sealed dust caps, which not only protects the food from dust, but also effectively seals the spout, insulates the air, and extends the shelf life of the food. Perfect for for pubs, clubs, restaurants, bars, coffee shops and diners; Leakage-proof design and speedy pour spout, Applied to liqueurs, vinegars, salad dressings, juice, syrups, oils and flavorings. Fits various sizes like liquor bottles, gin bottles, whiskey bottles, vodka bottles, rum bottles, etc.