Seal It In - Leak proof lid (when closed) for on-the-go activitiesFor the Long Haul - Drinks stay hot up to 7 hours and cold up to 18 with THERMALOCK Vacuum InsulationLend a Hand - Easy one-handed drinking from this travel coffee mugClean Up - Top rack dishwasher lid, hand wash bodyPerfect Fit - Fits most car cup holdersLifetime Warranty