Stay hydrated in style with a mug built to withstand your toughest adventures. Crafted from durable 18/8 stainless steel with a soft, matte finish, this 50 oz. mug is designed to last through anything. Double-wall vacuum insulation keeps your drinks cold for up to 11 hours and hot for up to 7 hours, so you can enjoy your favorite beverages at the perfect temperature all day long. The screw-on clear lid with straw port and a locking flip closure offers versatile drinking options—sip, drink, or gulp, whatever works for you. Whether you're exploring the great outdoors, hitting the job site, or commuting to work, this mug is the perfect companion to keep you hydrated.