Our beautiful, porcelain pour over coffee dripper fits perfectly over our 15-ounce mugs and works seamlessly with our standard #4 coffee cone filters. Made from high-fire porcelain, it won't stain or crack. Our filter holder is dishwasher safe, making it not only user-friendly but easy to clean. What’s in it: High-fire porcelain. What’s not in it: Lead and plastics of any kind. It’s all good: This product is oven safe, dishwasher safe, microwave safe, and heat resistant.