【WHAT YOU GET】Plyometric weighted baseballs set comes with 6 x training baseballs of varying weights (3.5, 5.3, 7, 12, 14, 16 oz), 1 x carry bag and 1 x 25 LB baseball training band. Different weighted balls help regulate strength and improve speed to improve your skills on the court..【QUALITY MATERIAL DESIGN】Our heavy baseball is filled with iron sand to provide enough weight for training, while the shell is made of PVC material with seams to make the ball softer and more realistic. Ideal for both beginners and experienced players to improve their strength and pitching skills through training..【BASEBALL STRENGTH TRAINING BAND】The weighted baseball set includes 25 lb baseball training resistance bands suitable for high school levels, helping to increase speed and performance, build arm strength, and improve pitching stability and flexibility..【EASY CARRYING & STORAGE】Our plyo ball baseball set comes with a carrying bag made of cavanas for easy carrying and storage. You can easily organize and receive pitching/throwing speed training for baseball and softball anytime, anywhere!.【SATISFIED WARRANTY】 SunNordic promise for full amount refund or exchange in 30 days if you are not 100% satisfied with our weighted baseball set when package arrived your hand. Just feel free to contact us if any question regarding our brand and our product.