Take on a real training challenge - run yourself and your team through the ringer with the Baden Heavyweight Rubber Basketball. This added-weight ball is perfect for strength building, coordination honing, and endurance training for players of all experience levels. With a durable, grippy rubber exterior, this ball is ideal for a practice session that the team will definitely remember the next day. The heavyweight rubber basketball is available in standard size 6 and 7. * Added-weight ball for skill-building exercise * Indoor performance composite exterior * Choose size 6 (28.5-inch) or 7 (29.5-inch) * Size 6 - 36 to 40 oz.; Size 7 - 40 to 44 oz.