Training ball made of soft synthetic leather, machine stitched, perfect for school-use and training for beginners, soft ball contact, air pressure: 0.2 bar Size: Circumference: 25.6 - 26.4 inches (65 - 67 cm), Diameter: 8 Weight: 9.2 - 9.8 oz (260 - 280 Please be careful not to inflate too much For general use, college, and high school Brand: molten