Want a dodgeball that glows in the dark? Look no further than the Luminous Rhino® Skin balls, which utilize a high-tech design to provide a long-lasting, no-sting product that's perfect for gym class, the playground and more. Kids love the bright colors! Mesh bag included. Diameter: 6.3"; Material(s): Foam; Color(s): Luminous; Quantity: 6/Set.