... do the exercise Pu stress ball,foam ball,pu ball 1.made of PU2.pass EN71, safe for kids ... for promotion 5.can print your logoThis toy is made of foam rubber , and used for kids playing or training ... . It also are good promotion item .1.material:foam PU2.have good bouncing3.very safe, can pass EURO ... ball, baseball. LOGO can be printed very well5.weight of 60mm : about 15g6.color:plain, neon, metallic Pu ...