One NIB, completely sealed tube of Pravana Chromasilk haircolor in Dark Copper Mahogany Blonde, 6.45/6CM ChromaSilk’s superior dye load offers up to 100% gray coverage and rich vibrant colors. ChromaSilk is enriched with pure Silk and Keratin Amino Acids to provide shine, silkiness and long-lasting color. With a 3oz tube of ChromaSilk Creme Hair color and a mixing ratio of 1:1.5, you gain 7.5 oz of working product. 7.5 oz of working product provide a cost savings of $0.88 per mixed oz.