The ideal transition tennis ball for all age groups Thanks to the pressure reduced Dunlop Mini Tennis Stage 1 Green tennis ball even the youngest players perform like professionals!Due to its\' Play and Stay characteristic this ball is about 25% slower than standard tennis balls. With its\' reduced pressure the Dunlop Mini Tennis Stage 1 Green in its practical triple can perfect for children over 6 years. The bright design of the Mini Tennis Stage 1 Green is very appealing to children. Get your new special yellow/green balls and practice like the adults. Highlights:The ideal pressure reduced transition tennis balls for all age groups Play and Stay Stage 1 and thus 25% slower than a standard tennis ballSuitable for the whole courtFor children who have outgrown mid court.