Rit, 8 OZ, Black Liquid Dye, Dyes Clothing & Accessories, Rejuvenates Old Garments, Coordinates Home Decor, Hides Laundry Accidents & More, Works On Washable Fabrics Including Natural Fibers, Such As Cotton, Silk & Linen; Synthetics Such As Rayon, Nylon & Acetate, Enough For Approximately 1 LB Dry Weight Or 3 Yards Of Medium Weight Fabric.