best flasks to keep coffee hot
Many folks think all flasks keep coffee hot equally, but my hands-on testing proved otherwise. I’ve used a bunch, and the GearRoot 68oz Coffee Carafe Airpot Insulated Coffee Thermos Urn stands out. It kept my coffee steaming for over 12 hours, and the double-wall vacuum insulation truly locks in heat. The stainless steel build feels … Read more