This is a set of four (4) Dice Cups with smooth rounded base, thick walls, and 5 standard dice. Finish is an easy-to-clean black, smooth, faux leather. Cups are 3.75 inches tall and 3.25 inches in diameter.Dice cups are the ideal accessory for most dice games. Players get a great roll. Much easier to control dice. Thick walls keep shake noise to a minimum. Set of four cups eliminates the need to pass around a single cup.