This customizable baseball key chain stress ball is not regulation size, but certainly fun to squeeze! Measuring 1 1/2" in diameter, this safety tested item is intended for adults or for general use by consumers of all ages. Our products are not intended for children under three years old or for pets. For a memorable promotion, hand this stress ball to potential customers at baseball games and watch your numbers fly out of the park!. White stress relievers may discolor over time. Care instructions are provided with your shipment.