Murphy's Gaelic Football - Trainer Ball Size 4 or 5 x 12 - Free carry netTrainer Pack of 12 at a reduced price. Murphys Gaelic Trainers are made of the highest quality. With new age modern striking design. Suitable for all training environments. Made with a blend of natural and synthetic rubber, calculated to give the best grip in all weather conditions. With an all weather construction, to keep the team training regardless of the elements or pitch. Advanced technology Nitrile bladder gives 3 time more air retention.