Team County GAA Ball O'Neills GAA Gaelic football has been rigorously tested size, weight and rebound to give the perfect play. Our iconic GAA ball features stitched panels and O’Neills branding. All balls are manufactured to approved GAA guidelines and are rigorously tested Balls are tested for size, weight, diameter, roundness and rebound Materials are tested for hardness, abrasion resistance and water resistance O’Neills branding Recommended pressure: 8 - 9 psi