Primus C&H Commuter Mug, powder coated stainless steel vacuum insulated mug that holds 0.4 Liter / 14 oz. of your favorite beverage. The must will keep your beverage cold or hot when you are on the go. Silicone seals insure no spills. Just click to open and click to seal with one simple button. Accommodates a wide variety of car cup holders.