From Bass Pro website: The Golden Rabbit® Camouflage Enamelware Grande Mugs fuse Belgium's finest porcelain enamel to thick-gauge carbon steel at high temperatures to create tableware renowned for enduring handcrafted quality. The hardened enamel of this set of 2 camping mugs from Golden Rabbit offers a superior non-stick surface that's non-toxic, dishwasher safe, and resistant to extreme temperatures. Stainless steel trim around the edges protect from chipping. 3.75"H x 4.5"W. Capacity: 24 oz. Imported. Manufacturer model #: CM28S4. Uses Belgium's finest porcelain enamel Thick-gauge carbon steel core Enduring handcrafted quality Hardened-enamel surface Resistant to extreme temperatures