Black Shirt Wash Specialist BLACK Dyeing Sheet 16 sheets x 2 boxes (32 sheets total) ● By putting the sheet in the wash, it prevents black shirts from fading and restores their original black color. ● Uses black textile dye, which is actually used as a dye, and a dye that protects the fibers. The dye penetrates not only the front but also the lining during washing, coating the fabric and creating a brighter black. ● The ingredients contained in this product also have the role of smoothing the fabric, improving the feel of the garment. Shipped via Yu-Yu Mercari.