Contigo AUTOSEAL West Loop 1.1 Vaccuum-Insulated Stainless Steel Travel Mug, 24 oz, Stainless Steel Our Lids Are Sealed - AUTOSEAL technology is leak and spill proof. For the Long Haul - Drinks stay hot up to 7 hours and cold up to 20 with Thermalock Vacuum Insulation. One-handed operation - Easy one-handed drinking from this travel coffee mug with the push of a button. Perfect Fit - Tumbler fits most car cup holders and under most single serve brewers Clean Up - Top rack dishwasher lid, hand wash body. 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 7 hours and cold up to 20 with THERMALOCK Vacuum Insulation. end a Hand  Easy one-handed drinking from this travel coffee mug with the push of a button. Nothing but the Best  AUTOSEAL is Americas #1 selling line of travel mugs. Perfect Fit  Tumbler fits most car cup holders and under most single serve brewers. Clean Up Top rack dishwasher lid, hand wash body.