The ideal practice ball for clubs. The Team W Practice tennis ball from Wilson is the ideal ball for practice sessions. With this great tennis ball your practice sessions will achieve even more success The pressurized ball has a long life and it therefore suitable for players of all ages and levels of expertise. The inner pressurized ball is above all purchased by clubs because of its’ great price/performance ratio. Get your Team W Practice tennis ball from Wilson and improve your stroke technique every practice session. Highlights: suitable for players of all ages and levels of expertise. a great inner pressurized ball which is durable. Great price/performance ratio.