SnailWalk SK-001 Stainless Steel Vacuum Insulated Travel Mug,With Easy-Clean Lid, Wide Mouth, 17-Ounce, Black (Black) Underside seal design guarantees 100% reliability and eliminates "coffee nose" Wide mouth opening for easy cleaning and so you can add ice to keep your beverage cold. Compact design takes up minimal space while maximizing capacity for effortless transport and storage; stays cool to the touch with hot liquids and is condensation-free with cold BPA free flip-top lid with built-in sipping design, button activated and additional clasp for secure travel Stopper disassembles for thorough cleaning MONEY BACK GUARANTEE: We think you're going to love this vaccum flask as much as we do! But in case you don't, you are covered by our 30 day, no questions asked, money back guarantee.