This is an official game ball certified by the Japan Lacrosse Association, suitable for lacrosse practice. Available for purchase from a single ball. 5 balls: ¥2000 10 balls: ¥3800 20 balls: ¥7000 30 balls: ¥9900 40 balls: ¥12000 If you wish to purchase, please comment in the comment section. This is the official ball of the Premier Lacrosse League (PLL), a professional league in the United States, and is SEI certified. It is made with a natural rubber base blended with 18 different materials to enhance grip. You can use it with confidence for daily lacrosse practice. In addition, lacrosse balls are increasingly 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 are quite firm, making them a popular choice for larger individuals. They are also popular as toys for cats and for juggling. This product is brand new and unused. Anonymous shipping via Yu-Yu Mercari. Please note that we generally do not offer discounts. Prices are subject to change without notice. Please understand. We also sell products with different colors and quantities. Please check my profile.