Cool Canopy: What you'll need Scissors 2 (10-yard) spools of 1/8-inch-wide ribbon Hula hoop (33 inches wide; not water-filled) 2 lengths of muslin (45 inches wide) or tulle (54 inches wide), each 4 1/4 yards long Duct tape Pinking shears (optional) 1 1/2 yards of felt (70 inches wide) Chalk