This set of 8 Stones is what every team needs in a regulation game. Each set contains 8 Stones in 3 sizes, 2- 90mm Stones, 4- 100mm Stones, and 2- 110mm Stones, 1 mark, and 1 spot. They are a solid resin construction for true roll and durability. Made in the USA. Half of the Stones in each set have stripes to differentiate your Stones from your teammate's.