1. and : 4 oz beer brewing bottles with the flip caps are made of premium durable transparent glass to ensure you can see what is inside and the swing top caps with stainless steel closures and high pressure gaskets for flip top glass bottle 4 oz creating a secure airtight seal and leakproof for your contents to lock in freshness and flavor. 2. Versatile Usages for Liquid Storage: Swing top glass bottles 4 oz with airtight lids are ideal for homemade drinks, such as syrup, wine, soft drinks, water, beer, juice, smoothies. Also vanilla extract bottles 4 oz,small flip top glass bottles for carbonated drinks as it retains the gas, such as beer, soda, coke as perfect gifts for someone's birthday, Thanksgiving, Christmas, etc. 3. Easy to Clean and Dishwasher Safe: Easy pouring spout makes 4 oz glass bottles with lids perfect dispenser for messy oil and vinegar. Once swing top glass bottles, you can just put our beer bottles, reusable bottles straight into the dishwasher or simply handwash with bottle brush and soap, then you can reclose the glass brewing bottles for repeat-use 4 oz glass bottles with lids. 4. Safe Package Including: Our glass bottles 4oz with the flip top lids are bubble wrapped with dividers in a secure box with an economical 6 pack 4 oz swing top glass bottles with additional 6pcs chalkboard labels, a liquid chalk pen and 1 collapsible silicone funnel so that package ensures that flip top glass bottles,4 oz vanilla extract bottles,glass beer bottles arrive ly.