Conventional Sliotars deteriorate very quickly in such use, which led to the development of the “ALL WEATHER SLIOTARS”. Moulded in a special polyurethane, the ALL WEATHER SLIOTARS are specifically designed for hurling wall training. The Wall Ball gives the feel and performance of a normal sliotar with the added benefit of excellent durability. Available in two sizes: Size 4 (College/Camogie) & Size 5 (Senior).. Conventional Sliotars deteriorate very quickly in such use, which led to the development of the “ALL WEATHER SLIOTARS”. Moulded in a special polyurethane, the ALL WEATHER SLIOTARS are specifically designed for hurling wall training. The Wall Ball gives the feel and performance of a normal sliotar with the added benefit of excellent durability. Available in two sizes: Size 4 (College/Camogie) & Size 5 (Senior).