Wooden beer mugs are artificially polished by our artisans, so the wood grain, color, weight, specifications may have a tiny difference, also, for this reason, every wooden product is a unique artwork.. Capacity - 17 ounces. A classic addition to any collection, display, pub, or sports bar.. Made of natural oak wood polished stainless steel flask inside. The label is made of copper.. Do not store mug near the heating devices or leave it on the sun, the wood dries up and later cracks may appear. Only hand wash allowed, wipe it dry with a towel after each time you wash it.. Our handcrafted mugs are made traditionally and with the outmost care for you.