MIKASA WPOLO/BALL WP440C WOMENWorld Aquatics Official Game Ball MIKASA WP440C Size 4 Women's Official Game Ball This is Water Polo World Aquatics exclusive official game ball Professional Model as seen in the world's top professional games Powerful Grip Newly developed Foam Rubber and no buffing leads to more stable ball quality and performance. Softness of Foam Rubber and Unpolished Surface has led to increase Grip in wet on the whole ball surface by 26%, comparing to the current