Rit Dye Laundry Treatment White-wash Stain Remover and Whitener Powder, 1-7/8 oz, White, 3-Pack Fabric whitener and stain removing laundry powder. Safely removes or lightens stains and whitens non-bleachable whites. Enough for approximately 1 pound dry weight or about 3 yards medium weight fabric. Enough for approximately 1 pound dry weight or about 3 yards medium weight fabric.