<p><b>Penn Control Plus Green Training Transition Tennis Balls</b><br> <br> Perfect for juniors learning the game on a full size court, Penns CONTROL+ Green Balls have a lower compression for a reduced speed. Meeting all of the specifications for USTA's 10 and under tennis as well as ITF's Tennis 10's programs, these balls make learning easy and fun.<br> <br> <b>FEATURES:</b><br> Significantly slower and easier to hit than regular tennis balls (75% less bounce)<br> Perfect for 10-and-under competitive play on 36' courts<br> Often used with 19" - 23" junior rackets<br> Includes 3 balls per can; 24 cans per case<br>