EZ Cap Bottle 16oz|1/2 L Cobalt Blue glass bottle is the perfect for home brewers and micro breweries. Traditionally sized , but with a much thicker and stronger glass than normal bottles. In addition, we guarantee these bottles to 100 PSI! Moreover, they are dual finish, and can be seal with our swing-top or with a standard 26mm crown cap. Designed to be washed and refilled again and again. Our swing-top caps, seals, and wires are reusable for a long time with proper care, however are replaceable when necessary.