TopFunKids EVA Foam Balls - Pack of 5 (19cm circumference) EVA FOAM BALL: For use with TopFunKids Pitching Machine Item #: TOPFUN001 REAL FEEL: Perfect for realistic batting practice, swing training drills, and baseball fun with friends and family. FIRM: Yet soft to the touch, these soft safe balls will travel a good distance. 5 PACK. 19 centimeter circumference. For ages 3 and up.