Weighted Training Softball SetHigh quality training softball set is ideal for improving arm strength and endurance. Same feel as a regular softball in graduating color coded weights.Set of nine balls increases in weight by one ounce per ball, from 5 to 12 ounces each. Synthetic leather covers with raised stitching. Includes convenient nylon carrying case.\r\nFeatures:\r\n\r\nCombination rubber and cork center provides a similar feel to that of a regular softball\r\nGraduated color coded weights\r\nGradually increase the weight of the ball as your arm strengthens\r\nSet of 8 training balls weighted from 5-12 oz\r\nNylon carrying case included for easy transportation\r\n12\” D\r\nSet contains a variety of bright, highly visible colors\r\n\r\nItem # SBWTSET