Matthews manufactures 3.66 m x 3.66 m (12' x 12') flags using the finest fabric available on the market today. See our fabric specifications page for a quick overview of what each fabric is useful for. Matthews 3.66 m x 3.66 m (12' x 12') flags are sized to the industry standard approximate measurement of 3.56 m x 3.56 m (11'8" x 11'8"). All fabrics are tested in a darkroom with an incandescent light source at one end and the fabric positioned 2/3 of the distance between the source and the digital light meter. All Matthews Checkerboard products are cut and sewn with precision unmatched in the industry today. Flag sets include a Single Scrim, a Double Scrim, an Artificial Silk and a Solid; a storage bag and a frame.