Yonex Muscle Power 40 Green Dot Tennis Balls (60 Balls) sonic sore Power Balance Grommet

Power Balance Grommet

resulting in more stability and a larger sweet spot

Apply strong spin and stable loop drive or powerful low-arc fast loop attack

The Luxe Core cushions your shots

Yonex Muscle Power 40 Green Dot Tennis Balls (60 Balls) sonic sore Power Balance GrommetThe Yonex Muscle Power 40 Green Dot Tennis Balls (60 Balls) are stage 1 training balls designed to help young players develop fundamental skills with confidence. These balls travel approximately 25 % slower than standard ITF approved tennis balls, making rallies easier to sustain and giving learners more time to react and position themselves on court. Part of Yonexs progressive junior training system, Muscle Power 40 balls are ideal for school