Anti-Leakage Feature: The hat - shaped swing - top washers come with a full - cover structure. This design ensures a snug fit, entirely enclosing the swing - top's nub. As a result, it offers excellent sealing capabilities, effectively preventing any leakage. Moreover, small funnels are included, which help you carry out liquid - handling tasks in a more efficient manner. High-Quality Clear Glass: Made from premium clear glass, these vanilla extract bottles help maintain the freshness of liquids and reduce evaporation. They are ideal for storing homemade extracts, syrups, essential oils, and more. Multi-Purpose Use: With a classic round shape and convenient 4 oz capacity, these glass bottles are perfect for DIY vanilla extract, essential oils, syrups, and other craft liquids. Great for small batches, personal use, gifting, or as tasting bottles at events. Ready for Gift Giving: Includes vanilla-themed labels that can be customized with names, dates, or heartfelt messages. Beautifully presented with red jute twine, these bottles make thoughtful gifts for holidays like Christmas, birthdays, Valentine’s Day, and Thanksgiving. Complete Set Includes: Each pack contains 20 glass Boston bottles with swing tops, vanilla extract labels, decorative jute twine, and a stainless steel funnel – everything needed for a professional and enjoyable DIY or gifting experience. 20 Pack Swing Top Glass Vanilla Extract Bottles 4 oz with Lids, Funnel and Vanilla Extract Labels, Glass Boston Vanilla Bottles for Syrup Gift, Flip Top Glass Bottles Jars for Vanilla Extract