【WHAT YOU GET】Plyometric weighted baseballs set comes with 6 x training baseballs of varying weights (3.5, 5.3, 8.8, 12, 16, 35 oz), 1 x carry bag and 1 x 35 LB baseball training band. Different weighted balls help regulate strength and improve speed to improve your skills on the court. 【IMPROVING PITCHING & PROFESSIONAL SKILLS】Different levels of weighted baseball are perfect for beginners and experienced players to choose from, and through throwing, you can exercise stronger arms and train your arms to pitching faster. And heavy baseball helps to warm up faster, train more effective pitching techniques, and improve your professional skills. 【QUALITY MATERIAL DESIGN】Our plyo baseballs are filled with iron sand inside, providing players with sufficient weight, while the inflatable soft shell is made of PVC material, surface seams make the ball softer, more slip resistant, and realistic, capable of withstanding high-intensity pitching training and can be used anytime in any weather condition. 【BASEBALL STRENGTH TRAINING BAND】The weighted baseball set includes 35 lb baseball training resistance band suitable for college level. Weighted baseball and baseball band combination training are very helpful in improving speed and performance, enhancing arm strength, and improving pitching stability and flexibility. 【EASY CARRYING & STORAGE】Our plyo ball baseball set comes with a carrying bag made of canvas for easy carrying and storage. You can easily organize and receive pitching/throwing speed training for baseball and softball anytime, anywhere!