Boasting triple-wall insulation, the HydroJug Coffee Traveler Ceramic-Lined Mug keeps drinks hot up to 6 hours and cold up to 12 hours. Its cup-holder-friendly base makes it easy to take on your daily commute, while the leakproof, soft-touch lid allows easy drinking no matter which hand you drink with. This coffee mug boasts a ceramic lining to ensure pure flavor without any metallic taste, plus it resists odors and stains. A rubber base keeps it silent when you set it down, plus adds a bit of slip resistance. This HydroJug mug is BPA-free and dishwasher safe. Triple-wall insulation maintains your drink's temperature Compatible with most cup holders for on-the-go convenience Ceramic lining resists odors, stains, and flavor transfer Leakproof, ambidextrous soft-touch lid Quiet, slip-resistant rubber base Dishwasher safe BPA-free