Zojirushi SM-BA35 D-Mug 12-Ounce Stainless-Steel Mug Vacuum-insulated 12-ounce mug made of durable stainless steel Keeps beverages hot or cold for hours; tastes don't transfer Clear plastic shell for inserting customizable wraps Lightweight; removable plastic cover; easy-to-clean nonstick interior Measures 3 by 3 by 7-1/8 inches