This 3-gallon glass carboy is perfect for fermenting beer, wine, cider, mead and more. The premium glass is impermeable to oxygen and protects beverages from contaminants. Carboy is scratch resistant, so users can scrub it clean without damaging the item. Unlike plastic, glass does not hold or absorb foul, eliminating the inconvenience of frequent cleaning. This bottle helps users reduce their carbon footprint as it is a reusable, recyclable item. This carboy is to arrive in one piece with its thorough packaging. This carboy is 9” in diameter and 16” in height. It is compatible with a 55-mm crown cap. Crown cap and rubber stopper are not included with the carboy, and it requires a 6. 5 rubber stopper. These bottle are also of BPA, BPS, BPF, PVC.