All natural buffalo horn is hand carved to create this authentic drinking horn. No two are the same. They can hold about 30-40 ounces of water, wine, beer, ale, etc. The exterior is polished to a smooth shine. Coloring of the horn varies according to how it was grown in nature. Mostly it is black and calcium white. A thick leather frog is included and allows it to fix to a belt. Each horn is individually crafted, between 20 inches and 23 inches long.