SECURE, LEAKPROOF CAP: Each Giara Glass Bottle comes with a handy plastic and silicone stopper that will tightly seal your bottle. Our airtight gaskets ensure your beverages won’t oxidize and will stay fresh and tasty much longer. Caps are easy to remove and put on. PERFECT FOR MULTI-USE: Use your glass bottle with stopper to store oils, kefir, beverages, kombucha, Vinegar, Beer, Water or Soda. Slide in the airtight cap to preserve and maintain freshness of your favourite drinks and liquids. DURABLE, TOP QUALITY: Coming in a 33.75 Oz size, these Brewing Bottles are made from sturdy, clear glass; perfect for long-lasting, repeated use. Our narrow neck design allows easy pouring without unwanted spills. No other better! ENJOY RISK-FREE USE: All our swing top bottles are BPA, toxin, chemical and lead-free. You can now store your oils, beverages or water without worry over contamination. PREMIUM HEAVY-DUTY DESIGN: With a super-strong and thick glass body, our Flip Top Bottles are built to offer supreme resistance to temperature changes and accidental impact. To clean, simply put your bottle in your dishwasher.