? These Blue And White Linear Matrix Design mugs are made of high quality porcelain. Our traditionally crafted pottery are made of the highest quality porcelain available and fired at a high temperature to maximize the strength of the porcelain, making them superior to other ceramics in the market. Our earthenware collections are more resistant to cracks, stains, and scratches. Our porcelain is food safe and contains no lead or cadmium. ? They are each approximately 4.25" tall, 4.75" long and 3.5" diameter. Mugs can hold 10 fluid ounces each, and weighs about 13 ounces a piece. ? These Mugs are drink safe, microwave and dishwasher safe. ? These elegant contemporary mugs come in dramatic blue and white color with striking sleek design. They are sold as a set and features a matrix linear symmetry design, flaring at the top and with sharply curved black handle for a dramatic finish. They will be excellent and classy drinkware to be used for high tea, coffee times, dinner hosting and what have you. ? These porcelain mugs are Ebros Gift exclusive collection. It comes with our Ebros Gift Satisfaction Guarantee when sold by Ebros Gift.