Yorkshire Stainless Steel Heated Auto Travel Mug (Coffee or Tea Travel Cup) Mug with no-spill lid. Tapered mug base fits most standard drink holders. Heated 13 oz stainless steel lined mug keeps coffee and tea hot. 12V DC adapter plugs into any auto utility jack Product size: 3.15" (Dia) x 4.76" (L) x 7.09" (H) Tapered mug base fits most standard drink holders