White Stainless Steel Coffee / Travel Mug - Flag of Scotland Scottish - Rustic/USA 14 ounce (414 ml) Stainless Steel Coffee Mug (commuter / travel mug) Constructed with a double wall and stainless steel inside and out for maximum travel mug performance. Keeps your drink hot or cold for hours. The plastic lid with slide-lock make this mug spill proof. Fits under most single-serve brewers and in most standard car cup holders.