Contigo AUTOSEAL Premium Pinnacle Stainless Steel Travel Mug, 14 oz., Cool Gray Our Lids Are Sealed- AUTOSEAL technology is leak and spill proof (Yes there is a difference!) -It knows when to close For the Long Haul- Drinks stay hot up to 7 hours and cold up to 14 with THERMALOCK Vacuum Insulation Lend a Hand- Easy one-handed drinking with the push of a button Lock it Up- AUTOSEAL button lock for added peace of mind Nothing but the Best- AUTOSEAL is America's #1 selling line of travel mugs Get a Grip Textured bottom grips the table and adds stability to the mug