4-Pack Heavy Ball 3lb Weighted Trainer Basketball 28.5 Hi-Carbon Rubber with Skills Video 4-Pack HEAVY WEIGHTED Basketball Trainer Exclusive Hi-Carbon Super Rebound Rubber Formulation Size 28.5, weight is almost 3lbs Extends Your Shooting Range and Improves Arm, Wrist and Finger Strength for Dribbling, Passing and Shooting. Includes The Heavyball Fast Hands Basketball Skills training video.