CLEAR HEAVY DUTY GLASS: Our brewing bottles are made with thick, durable transparent glass so that you can see what's bottled inside. Perfect for home brewing beers, Kombucha, whiskey bottling, soda, cider, kefir, vinegar, oil, vanilla extract and more. ECO-FRIENDLY & KEEP FRESH: Glass Bottles with stopper made of nontoxic materials are 100% recyclable and environmentally responsible. Easy Caps also provide a super strong, leak proof seal and ensure content inside as fresh and delicious as the day you stored it. EASY CLEAN & RESEALABLE CAPS: Our swing caps with stainless steel and thick silicone gaskets are easy to remove for cleaning, and simple to reattach for reusing. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions..International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.