Excellent elasticity: Featuring a natural rubber outer layer and a butyl inner tube, this basketball offers exceptional elasticity, allowing it to bounce back quickly after landing. Whether you're dribbling at high speed or making a long-range shot, it provides just the right amount of feedback to help you better control the ball's trajectory. Excellent moisture-wicking and anti-slip properties: The surface material has moisture-wicking properties, effectively preventing the basketball from slipping out of your hands even during intense physical activity. This ensures stable control of the basketball in various situations, allowing you to perform at your best. Standard size: Available in size 7 standard ball specifications, with a circumference of approximately 7576 cm and a weight between 567650 g, fully meeting the requirements for adult competitions and training, allowing you to adapt to the official competition ball standards during daily training. Indoor/Outdoor Use: This basketball is not only suitable for indoor wooden floors but also performs exceptionally well on outdoor surfaces such as concrete or synthetic turf, making it a true indoor/outdoor basketball that meets your needs for training on different surfaces.