The Basic Throwing Package includes a complete set of 6 Plyo Balls, 2 Weighted Balls and an Activation Band. The Plyo Balls include 3.5, 5, 7, 9 oz. and 1 and 2 lbs. The weighted balls are 4 and 6 oz. Included in the package are also 2 complete guides on Plyo Balls and Activation Bands Drill work that can be performed by athletes.