High quality flags stand up to tough outdoor wear and tear. Sewn with a super-strong nylon thread. Reinforced fly ends help prevent unraveling. They are finished with strong, bleached canvas heading edge and brass grommets. Stars are embroidered; stripes are double-stitched. Tough-Tex Polyester Flags are our best! Engineered specifically for industrial, commercial, and institutional applications. 100% woven, 2-ply spun polyester bunting. Designed to withstand the elements, this flag stands up to high winds and severe weather.