The NOX Cajon Titanium balls are pressurised for a fast, consistent bounce, so you can reliably judge their trajectory for returns and make the perfect contact with every stroke of your racket. A high-density reinforced rubber core combines with engineered pressure stability to provide outstanding durability and longevity and ensure that they retain optimal performance throughout high-level competitive games. An aerodynamic felt coating produces perfect flight through the air. With three balls included in a handy tube, you don't need to worry about packing any extras in your bag.