Our hot coffee mugs are manufactured by the Emalco Enamelware Company from Poland. They use only the highest quality ceramic materials, which are free from BPAs or other toxic substances. Our DEAD OR ALIVE single coffee mug is made of nearly indestructible enamel
https://www.amazon.com/s?k=enamel%20cup&ref=glow_cls&refresh=2&rh=p_78%3AB094QMJ3ZX%2Cssx%3Arelevance