Constructed with durable outdoor all-weather nylon fabric Applique Sewn Design for nautical and boating use Features Header and Brass Grommet Attachment, Reinforced stitching on the fly end for extra strengh in marine grade environments Single Reverse printing shows flag correctly from front, reverse image on back. Flag is 100% Made In USA Fully Sewn Hurricane Warning Nautical Flag, for marine grade performance, with reinforced stitching on fly end.