Annin state flags are made from 100% SolarGuard nylon. This material, developed especially for the flag industry, is engineered to resist damage from the sun's UV rays. Annin's 3 ft. x 5 ft. Maryland State Flag is made from Heavy Weight Solar Max Nylon. The Nylon material has bright colors and flies beautifully in the lightest breeze. Attaches to your flagpole quickly and easily.