Please be aware that this product will be delivered in a flat state. A popular product from Mikasa (MIKASA) that has been established over 100 years. A magical ball that you will love to ball games! Discomfort awareness will make you excited. Make ball class and play fun. Mikasa Slogan: Mikasas Corporate Slogan "Sports Every Day". " has the idea of "Keeping familiar with sports to keep your mind and body healthy, giving you a longer, richer and more enjoyable life. Pioneer of ball products that have been established over 100 years! Please be careful not to inflate too much. For optimal pressure, please refer to the pressure display located on the inflation port of the ball itself.