The Huron Vacuum-Insulated Stainless Steel Travel Mug is for busy, on-the-go individuals who need their favorite drinks hot or cold for hours. With a leak-proof lid, this 16oz travel mug convenience and efficiency. The Thermalock double-wall insulation keeps your beverage hot for up to 6 hours, and cold for 12 hours. The one-hand drinking let you drink with no lids or caps to remove or misplace. It is also meticulously designed for a fit in most car cup holders and under single-serve brewers.