The Worth Super Gold Dot Extreme 44/375 One Nation 12" Slowpitch Softballs (model ON12CY) are designed for recreational use in slowpitch softball. The set includes 12 composite leather balls with a 0.44 COR rating and 375 compression hardness, suitable for a slowpitch ball game. The balls are gold in color and feature a composite leather core material for durability and performance.