Perfect for sipping, drinking, or gulping down your favorite beverages. This little dynamo is crafted to hold 40 ounces and stays cold for up to 11 hours and hot for up to 7 hours with its copper lining and insulated double wall stainless steel. Each mug is strong & durable, from its handle to a convenient screw-on clear straw lid with a twist closure, giving you the option of drinking with or without the included removable straw. 6" W x 11" H