This set of 6 mineral crystal resin coffee mugs features a unique design with stainless steel inserts. The mugs are 3 inches in diameter and 3 inches in height, making them a stylish and practical addition to your kitchen. The matte finish and rock, mineral, and stone theme add a touch of elegance to your breakfast or coffee routine. These original, unmarked mugs are sure to be a conversation starter and a standout piece in your collection.