Great for smaller batches, the 30BGC3 is a 3 Gallon Italian Glass Carboy with a 30 mm neck width, wide body, and smooth sides. Italian carboys are made in Italy of a higher quality glass. They are known for their overall strength and uniform thickness. Glass carboys are used for brewing tests or experimental batches and dividing up larger gallon batches for yeasting. Carboys are often used during the fermentation process for homemade brewed beer, wine ales, hard cider, and mead. Carboys can also store other drinks like iced tea.