The Stainless Steel 16 oz. Ninja Travel Mug features a double-walled, vacuum-insulated design that keeps hot coffee hot and iced coffee cold. This travel mug will be your favorite commuter companion-its slim design fits in most car cupholders, and its lay-flat open/close lid makes drinking from your travel mug easy! Place the Stainless Steel 16 oz. Ninja Travel Mug on the bottom plate of the Ninja Coffee Bar bottom plate and brew directly into it for ultimate convenience. Its fully closable lid completely seals for no leaks or dribbles. The Stainless Steel 16 oz. Ninja Travel Mug is dishwasher safe for easy cleanup.