【REGULATION SIZE】– Size 7 (29.5” circumference / 9.43" diameter), same size as professional basketball. Men's basketball size that promotes training and improved handles for youth athletes. 【SILENT】– Polyurethane foam material makes minimal sound when dribbled. This high density foam ball works great for indoor training and little noise. 【SAFE】– This silent ball can safely be used indoors without damaging household items. This soft baskeball will not affect indoor equipment. 【DIVERSE】– Multiple applications for indoor practice on hard floor and carpet. The silent basketball will maintain shape and rebound from hard and soft surfaces. 【SKILL】– Improve dribbling skills while at home without disturbing your neighbors. Promotes exercise and training for youth basketball players. THE OFFICIAL SILENT BASKETBALL Size: No. 7 (29.5” circumference / 9.43" diameter) Weight: 330g Silent Basketball vs. 624g Regular Basketball Polyurethane foam material. This high density foam imitates the boucing effect of a regular basketball while promoting improved dribbling skills. This ball bounces 85% the height of a regulation air-filled basketball after 7-10 days of regular use once fully broken in. This is not a regular leather basketball. This is a foam ball. High density polyurethane foam material specially designed to imitate the effects of a regular basketball. The Silent Basketball is very quiet while functioning like a real basketball. The special silent foam technology absorbs sound and rebounds similarly to a regulation basketball. This ball can be safely used indoors as a premium basketball training accessory. Minimal sound and no damage to household items. Perfect for indoor practice that will not make a noise disturbance. Improve your handles and practice indoors while not making any noise. If you want to become a better basketball player but are unable to practice indoors due to noise, then this is the perfect product for you. The Official Silent Basketball will change the way you train and take you to the next level of your game! The Official Silent Basketball takes approximately 7-10 days of regular use to break-in for the true bounce and feel (similar to the break-in process of a baseball glove). The more you use the Official Silent Basketball, the more it will bounce and mold to your hands. Please allow for 7-10 days for the Official Silent Basketball to shape and form correctly. NOT for outdoor use. NOT for pet use. Keep away from pets. The Official Silent Basketball will fully break-in and soften after about 2 weeks of consistent use.