The kuksa is the carved wooden cup of northern Scandinavia, traditionally cut from a birch burl and carried on a belt.One piece, no jointsA kuksa is carved from a single block, which is why it does not leak and does not come apart. Burl wood is used because its interlocked grain resists splitting as the cup dries and wets over years of use. Hand wash, no soap, and let it dry slowly.Carved from hardwood and finished food-safe.