This is an official game ball approved by the Japan Lacrosse Association, suitable for lacrosse practice. Pricing: 3 balls: ¥2200 10 balls: ¥7500 20 balls: ¥15000 30 balls: ¥21000 40 balls: ¥27000 If you wish to purchase, please write in the comment section. This is the official ball of the Premier Lacrosse League (PLL), a professional league in America, and is SEI certified. It's made with a natural rubber base blended with 18 different materials to enhance grip. You can use it with confidence for daily lacrosse practice. Recently, lacrosse balls are also being used for massage and yoga. This product can also be used for massage and yoga. It is especially recommended for fascia release, particularly for the shoulders and the back of the thighs. Unlike tennis balls, these are not hollow inside and have a certain hardness, making them popular because even larger individuals can use them with confidence. They are also popular as toys for cats and for juggling. This product is brand new and unused. We will ship anonymously via Yu-Yu Mercari delivery. Please note that we generally do not offer discounts. Prices are subject to change without notice. Please understand. We also have products with different colors and quantities. Please check my profile.