Diamond Trainer Pro Football Now in its fifth year the Trainer Pro has established itself within the Junior levels of the pro game and is chosen by PFA members everywhere. The performance and quality of this ball is now proven and it is the training ball of choice for the coach who needs a ball that plays like a match ball without the match ball cost. The ball now comes with double valve bladder which helps increase air retention Also available in sizes 4 & 5 Colours: White, Yellow, Red, Silver and Retro