2-Pack Heavy Ball 3lb Weighted Basketball Trainer Hi-Carbon Rubber with Skills Video 2-Pack HEAVY WEIGHTED Basketball Trainer Exclusive Hi-Carbon Super Rebound Rubber Formulation Size 29.5, weight is 3lbs Extends Your Shooting Range and Improves Arm, Wrist and Finger Strength for Dribbling, Passing and Shooting. Includes one copy of The Heavyball Fast Hands Basketball Skills Training Video.