This fully sewn 12 in. x 18 in. Commodore Yacht Club Officers flag is made of 100% heavyweight SolarGuard nylon. Sewn with a premium quality extra-strength polyester thread. Seams are double-stitched with back-stitch reinforcement with four rows of lock stitching on fly end. Finished with a heavy white canvas heading and solid brass grommets. Made in the U.S.A.