These mesmerizing hi-bounce balls have a surprise. Not only are they covered in multi-colored pastel swirls... They also glow-in-the-dark! Each 43mm bouncy ball is a patchwork of purple, pink, orange, blue, green, and glow-in-the-dark whirls, making them an irresistible addition to your machines. Our 43mm glow-in-the-dark swirl pattern hi-bounce balls are sold 50 pieces per bag.