Yonex Muscle Power 40 Green Dot Tennis Balls (6 Ball Pack) Outdoor ensuring you maintain control throughout

ensuring you maintain control throughout extended play sessions

stability and breathability

Grip circumference: 4

plus the MIZUNO ENERZY midsole

increasing the size of the sweet spot

Yonex Muscle Power 40 Green Dot Tennis Balls (6 Ball Pack) Outdoor ensuring you maintain control throughoutThe Yonex Muscle Power 40 Green Dot Tennis Balls (pack of 6 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