Mini Metro Balls (2" mini balls) are the perfect colorful addition to your toy department and cash wrap. Unlike standard tennis balls, Mini Metro Balls® are specially designed for pups made with cotton yarn and natural rubber, and no toxic gas. This bulk box comes with 45 individual colorful Metro Balls. This makes a great add-on for customers to increase basket size, and makes a great addition to vending events and front of store displays. -If you have the Metro Bliss Balls display this is the quantity to use as a refill.