Leather Outer Material Multi-filament Nylon Designed for Indoor Play Butyl Bladder Ideal for Both Men and Women Get the perfect dribble on wooden floors with the Cosco Championship Basketball that is designed for play in indoor stadiums. Designed for Advanced Playing Level Constructed with a standard weight and size, this basketball is approved by the Basketball Federation of India. Leather Outer Material The outer cover material is made from tough leather that feels great and is very long lasting. Butyl Bladder This Championship Basketball is fitted with a superior butyl bladder that helps to retain air for longer and prevents air leakage. Multi-filament Nylon The perfect round shape is reinforced by multi-filament nylon windings that are very sturdy and durable. Designed for Indoor Play The design, make and materials used is perfect for indoor play and suited for wooden surfaces.