2 pk Contigo Pinnacle Thermal 14 oz Travel Mug Leak Spill Proof with Vacuum Insulated Body (Greyed Jade / Stainless Steel) Vacuum insulated double wall stainless steel inner & outer walls Autoseal lid that automatically seal between sips to eliminate messy leaks and spills Keeps hot items hot for 4 hours and cold items cold for 12 hours 14 ounce body design allows this Contigo to fit under most single serve brewers Top-rack dishwasher safe; No loose parts to clean, lose or reassemble