Bottling is a breeze with the able assistance of Flip top Beer Bottles. An flip top cap bottle eliminates the time-hogging hassles of traditional bottling. Each flip top bottle in this case of 12 is made of amber glass that helps prevent UV rays from damaging your brew, features a 750 mL capacity, and utilizes a a swing cap design that inserts into the top of your bottle to create an instant airtight seal. Bottle caps will always have their place. But if you're brewing regularly, you'll appreciate the time-saving convenience of these flip top Cap Beer Bottles for your best brew. Features: Made of amber glass. Helps deflect UV rays. Swing cap inserts into bottle top for easy sealing.