When you distill a spirit, it invariably comes out clear as water. Put the clear spirit in contact with charred American Oak, and it turns amber and mellow over time with toasted wood vanilla-like richness. Want to speed up the aging process? Our new American Oak Barrels are charred on the inside for Whiskey, Bourbon, Tequilla, Rum, and Brandy aging. The large wood surface contact area per ounce compared with commercial 53 gallon barrels means this will age spirits much quicker than larger barrels. Handmade in Mexico following centuries old cooperage methods; the valve is wood and sealed with leather, and the top plug is wood and sealed with a wrap of leather. No plastic, glue, or rubber are used in construction.