Swing Top Glass Bottles - Flip Top Bottles For Kombucha, Kefir, Beer - Amber Color - 16oz Size - Set of 6 Brewing Bottles - Leak Proof With Easy Caps - Bonus Gaskets - Fast Clean Design AMBER GLASS - Protect brews from UV light, ideal as beer or kombucha bottles HIGH PRESSURE GASKETS - Specially designed for high levels of carbonation. STRONG SWING TOP CAPS - 204 Stainless steel. Durable plastic caps. Dishwasher safe. QUALITY PACKAGING - Packed in bubble wrap sleeves, 3 ply dividers in a 5 ply export carton. FREE REPLACEMENT GASKETS - Full set of 6 replacement medium pressure gaskets.