Dishwasher safe; For best results, hand-wash with mild soap and dry immediately. Do not microwave. Use caution with hot liquids. If the handle is too hot to hold, then the beverage is too hot to drink. Our enamelware exceeds both federal food safety regulations and California's Proposition 65, the strictest environmental safety standards in the U.S. Handle enamelware with care and discontinue use for food service if it becomes chipped, cracked, or broken.