- Premium Quality: Our 4 oz beer brewing bottles are crafted from durable transparent glass, allowing you to easily view contents. The swing top caps feature stainless steel closures and high-pressure gaskets, ensuring a secure, airtight seal that locks in freshness and flavor. - Versatile Storage Solutions: Perfect for a variety of homemade beverages, these 4 oz bottles are ideal for syrups, wine, soft drinks, water, beer, juice, and smoothies. They are also suitable for carbonated drinks like soda and beer, making them thoughtful gifts for birthdays, Thanksgiving, and Christmas. - Easy to Clean: The convenient pouring spout simplifies dispensing oils and vinegars, while the bottles are dishwasher safe for hassle-free cleaning. You can also hand wash them with a bottle brush and soap, ensuring they are ready for repeated use. - Comprehensive Package: Each 6-pack of 4 oz glass bottles comes securely packaged with bubble wrap and dividers. Included are 6 chalkboard labels, a liquid chalk pen, and a collapsible silicone funnel, making organization and filling easy. - Practical Applications: Use these bottles for brewing your own beer, storing homemade vanilla extract, or creating custom gifts for friends and family. Their airtight design ensures that your beverages stay fresh longer, making them a reliable choice for all your liquid storage needs.