Lead-Free Clay Motion Handwarmer Mug Share 0 See on Amazon Keep your hands warm on a cool morning all while enjoying your coffee or tea. Made of quality, lead-free ceramic material; Dishwasher, oven, and microwave safe. Holds up to 14 fluid ounces of your favorite hot or cold beverage. Handmade proudly in the USA; Created by husband and wife potters in Walla Walla, Oregon. Carefully packaged in a fitted box for easy gifting and storage. As an Amazon Affiliate, I earn from qualifying purchases.