Handwarmer Mugs are the ultimate in completely custom stoneware. Unlike traditional coffee mugs, Handwarmer Mugs are designed with an ergonomic pocket so you can wrap your fingers in comforting warmth while you enjoy your favorite beverage. Whether you fill your mug with coffee, hot chocolate or tea, these handmade one-of-a-kind mugs are the perfect blend of comfort and style. Holds 14 fl oz. Dishwasher safe. Microwave safe. Ovenproof.