World Cup Football Ball

Gaelic football
Gaelic football is played with a spherical leather ball, roughly 25 cm (10 in) in diameter and 69–74 cm (27–29 in) in circumference. A dry ball weighs between 370 and 425 g (13 and 15.0 oz). The pattern of panels is identical to the volleyball, consisting of six groups perpendicular to each other, each group being composed of two trapezoidal panels and one rectangular panel; 18 panels in all.
Gaelic footballs are also the standard balls used in International rules football.
Although Gaelic football has been played with a round ball since first organized in 1887, balls made by the Irish sports company O'Neills have been used sometime since the company was founded in 1918 and are recognized as the official ball to be played with, although it is now permitted to use the Gaelic ball manufactured by the Irish sports company Gaelic Gear.