This walnut wood printed 12 oz stemless cup keeps your favorite beverage chilled and looks great doing it! Crafted from stainless steel with proprietary triple insulation. Keeps drinks ice cold for 9+ hours or hot for up to 3 hours. Includes a sliding, shatter-proof, BPA-free, crystal clear lid and a slip-proof, silicone bottom. Allows you to take your beverage with you where glass can't go. Flat, easy grip sides offer maximum comfort while sipping.