Spinnaker triangle flags are made of 100% DuPont™ nylon. Heavy bleached canvas header with brass grommets. Fly ends are reinforced with Nablon™ thread for added life. Flags hemmed on all 4 side edges. Unique shaped flags can be flipped so point faces up or down from top of pole. Includes 4 self locking nylon straps. 3' W x 8' H