Giving you the same strength and insulating performance as a traditional Thermos™ vacuum bottle, the Thermos Travel Mug gives you proven performance in a handy design. Featuring a traditional travel mug shape that fits in most auto cupholders, this durable mug features tough, double wall, stainless steel construction for leakproof use. Thermos' classic double wall vacuum insulation delivers great temperature retention, keeping your hot drink hot or cold drink cold for hours. BPA-free. Dimensions: 3.9''W x 3.3''D x 7.6''H. Manufacturer model #: SK1000MBTRI4.