https://www.amazon.in/dp/B09YNN5WF2?ref=cm_sw_r...Size 5 ball (official size) suggested for ages 12+ DURABLE COMPOSITE CONSTRUCTION: The sturdy synthetic leather construction provides increased durability and a soft touch feel AIR RETENTION: Butyl rubber bladder for maintaining roundness and air pressure from competitive and recreational play Solid core ball Polyurethane foam core