Created by Bob & Corina Neher in the Clay in Motion Pottery studio located in Milton Freewater, Oregon. This unique mug is available in either a right or left handed version. Always test your mug before sliding your fingers into the pocket. If the mug feels too hot, hold the outer flange. The hand warmer mug is microwave and dishwasher safe and is lead free. Size 3" x 6" High.