Northern Ireland flag is available to buy online at The Flag Shop. This great hard wearing Northern Irish flag is made from 210 denier, (148/m2), nylon fabric, measure five feet by three feet, 152cm x 91cm, and have two brass eyelets / grommets for hanging from a flag pole. Northern Ireland flags are dye printed making them colourfast, double stitched all around, with four rows of stitching on the fly. The flag of Northern Ireland is ideal for outdoor use.