ITEM NAME:Sport Hexagonal Ball Reaction Ball Agile Ball Towards Speed Training Balls Z Description: Product parameters Product Category: Bouncing Ball Material: trp Diameter: About 58mm Color: red, yellow, blue, green, pink, color sent randomly Product Usage This product is mainly used for training, can improve the responsiveness, agility, speed, etc., is the reaction to improve and restore the excellent product Included: Hexagon ball * 1.Product Usage. Product Category: Bouncing Ball. Hexagon ball 1. Color: red, yellow, blue, green, pink, color sent randomly.