Just the right size for long mornings or anytime you need a fuller cup. This mug is built to last, with solid 18/8 stainless steel construction. Double-wall vacuum insulation keeps your favorite drinks hot for hours, and the secure press-fit Tritan™ Drink-Thru Lid prevents splashes and makes sipping easy. Keep it with you in the backyard, take it on the road, or enjoy it while lounging by the fireside.