RIT-Powdered Fabric Dye. This package contains one box of dye or other fabric treatment. Enough for approximately 1 lb dry weight or 3 yards of medium weight fabric. Conforms to ASTM D4236. Made in USA. Fabric whitener laundry powder. Formulated to handle tough laundry problems, yet gentle enough to not harm fabric fibers like chlorine bleach can. Ideal for whites with colored trims or prints. Enough for approximately 1 pound dry weight or about 3 yards medium weight fabric. It is specifically formulated to brighten dingy white fabrics, plus remove any yellowing and discoloration. It will even attack stains, like grass, grease and lipstick. Simply use White-Wash with your detergent to bring that fresh off-the-rack pop back to your favorite whites