Contigo AUTOSEAL West Loop Stainless Steel Travel Mug 16 oz., Matte Black Our Lids Are Sealed- AUTOSEAL technology is leak and spill proof (Yes there is a difference!) For the Long Haul - Drinks stay hot up to 5 hours and cold up to 12 with THERMALOCK Vacuum Insulation Lend a Hand - Easy one-handed drinking with the push of a button Squeaky Clean - Easy clean lid completely opens for an extra squeaky clean with no separate parts to take apart or misplace; Lock it Up - AUTOSEAL button lock for added peace of mind Perfect Fit - Fits most car cup holders and under most single serve brewers; Clean Up - Top rack dishwasher lid, hand wash body