Sand-colored recycled stoneware sets a refined yet relaxed table in a natural palette. Crafted in Portugal, the stackable mug is made of Ecogres®, a proprietary clay composed of 90% recycled materials. Unglazed on the exterior for a naturally tactile finish, the interior features a high-gloss glaze that highlights subtle black flecks in the clay. CB2 exclusive.Ecogres® clay composed of 90% recycled materials. High-gloss glazed interior. Each piece will vary in glaze coloring and tone. 11 oz. Stackable. Dishwasher- and microwave-safe; oven-safe to 428 degrees. Made in Portugal.