American Classroom USA 16x24 Inch Flags 30" Inches Natural Wooden Staff Sewn Edge School Scholastic ApprovedAmerican Classroom USA 16x24 Inch Flags 30" Inches Natural Wooden Staff Sewn Edge Fabrics approved for American schools are generally durable, easy to clean, and safe, with common options including cotton, polyester, wool, and blends like Rough Tex Brand polycotton. These fabrics are used for everything from flags uniforms and furniture to art supplies. Keep our children safe with school approved USA flags. Approved Fabrics for American Flags