The Tzumi ion Mug is a sleek and stylish self-heating coffee mug made of stainless steel in a black color. With a 12 fl oz capacity and dimensions of 4 7/8" H x 3 1/4" W, this mug is perfect for enjoying your favorite hot beverages on the go. The ion Mug by Tzumi is designed for personal use and comes with the Model 8003. Weighing 12.5 oz, this mug is a practical and durable option for those who enjoy a freshly heated cup of coffee or tea throughout the day. Mug only.