Rit Back to Blue Dye KitAre your favorite blue jeans in need of rejuvenation? Give your denim a second chance to dance in bold blue! The Back to Blue Denim Dye Kit allows you to achieve up to 4 different washes of denim. Now with Rit Back to Blue Denim Dye Kit, you can restore faded denim back to a rich blue in a few easy steps. Included is Bold Blue All Purpose Dye, a versatile blue that can achieve varying shades of the perfect blue. This kit can also be used to revive