Elevate your baseball skills with the SKLZ Baseballs Weighted pack, purposefully designed to enhance strength during long toss and shorter throwing drills. Crafted from the same materials as a regulation baseball, these training balls offer an authentic feel, with their standard 9-inch size, raised seams, and leather cover. Ideal for both training sessions and pre-game warmups, they help to improve throwing form and power. With a 58% cork filler, 22% rubber, 18% PVC, and 2% cotton thread construction, these balls are a valuable addition to your baseball training equipment. Elevate your game and get the real feel of the sport with every toss.