-Between 27 to 28 inches (68 to 70 centimeters). -Between 14 to 16 ounces (410 to 450 grams). -3. 8.5 to 15.6 psi. -Typically made of synthetic leather, which can be polyurethane (PU) or polyvinyl chloride (PVC). -Suitable for players aged 12 and older a