This is a New York Yankees Dugout Mug®, a drinking vessel handcrafted from the barrel of a genuine wooden baseball bat. Product Overview Material: It is carved from solid birch wood, the same wood used to manufacture professional baseball bats. Design: The mug features an officially licensed New York Yankees logo laser-engraved directly into the side. Capacity: It is designed to hold 12 ounces of either hot or cold liquids, such as beer, soda, coffee, or water. Finish: The wood is double-sealed with a food-safe sealant to make it fully functional for drinking. NWT.