Check the listing for details. Plyo Weighted Ball Set with Seams and Carrying Case 32, 21, 14, 7, 5, 3.5oz. Condition: New. Listed at 68.95 USD. These plyo weighted balls with seams and a matte finish are excellent tools for both hitting and pitching training. Each set comes with 6 balls that are 32, 21, 14, 7, 5, and 3.5 oz in weight. The 14, 7, 5, and 3.5 balls have seams with a similar feel to a baseball engraved onto them. These balls are popular with pitchers for velocity development and they are excellent for pregame warm-up. Each set comes with a convenient carrying case. This set is excellent for pitching velocity training. Excellent for pre-game warm-up for all baseball players. May be used for hitting drills and are designed for indoor or outdoor use. Excellent for training in small spaces as they are designed to be thrown against a wall with a smooth surface. A throwing program is not included.When it comes to our customer satisfaction, there is no room for compromise. That is why we rely on top-quality and durable materials that allow us to develop products loved by parents and athletes all over the world. If for some reason you’re not entirely pleased with your purchase, our customer care department has got you covered. INCLUDES SEAMS: The 14, 7, 5, and 3.5 oz balls have seams engraved into the matte finish. This creates a realistic feel of throwing a baseball.MATTE FINISH: The finish is more durable and provides an improved grip compared to traditional plyoballsSET OF 6 BALLS WITH CARRYING BAG: 4 of the 6 balls contain realistic feeling seams engraved into the matte finish. Convenient carrying case included with each order.INCREASE VELOCITY: Training is shown to improve arm speed and increase velocity when used in conjunction with an effective training program.EASILY INFLATABLE : Each ball contains an air nozzle to inflate as needed using a standard needle pump.