The promotional stress balls of China not only help with concentration, but they also have many health benefits. However, they are also a handy promotional toy that comes with superb benefits for your physical and mental health. These stress balls are made in various shapes and sizes to suit the individual's needs. Moreover, a custom imprint that contrasts sharply with the color of a stress ball will show up to great advantage. PapaChina is the best place from where you can procure custom stress balls at wholesale prices and further all your promotional needs!