Flag of Ulster Flag of the kingdom or province of Ulster, one or Ireland's traditional provinces. Although the old Irish provinces have no longer a legal status, this flag is used today in a sporting context, as Ireland's four professional rugby teams play under the names of the provinces, and the Gaelic Athletic Association has separate Provincial councils and Provincial championships. Flag Specifications: » Size: 150x90 cm (3'x5'). » Material: polyester. For indoor or moderate outdoor use. » With brass eyelets and double stitched for extra strength.