Created from a slab of clay. A bull bison design was pressed in the clay  on one side of the mug. Bison footprints are on the inside and outside bottom of the mug. Once bisque fired the mug was hand painted. No two mugs are alike. Mug is dishwasher and microwave safe. Yes, the mug will get hot in the microwave .  14 oz mug. BisonIP1