Our 40 oz. travel mug is the perfect tumbler for those who love to indulge in their favorite beverages, or simply want to stay hydrated throughout the day without the need for frequent refills. The exterior of the mug is made of durable stainless steel material which can withstand the wear and tear of daily use. The mug is lightweight for carrying around every day. And, its tapered base allows it to fit most cup holders.