Blank Tower Flags Style 1, 6 foot x 22 inch are made from 200D Nylon and double stitched. They have a 6"x2.25" canvas sleeve on the left hand side open at both ends, and a 1.5" canvas sleeve on top, open at both ends. Flags made from 1 ply 200 Denier Nylon are intended for both outdoor use and indoor use. Nylon is a heavy duty material, which is formulated to withstand the wear and tear your flag will sustain. This tower flag will fly beautifully for seasons to come.