Vat Blue 4, also known as Vat Blue RSN, is one of our highly sought-after dye products that we manufacture and supply directly from our factory. Our Vat Blue 4 is a long-lasting dye that is commonly used to achieve various shades of blue for textiles, including denim. It is a high-quality dye that is known for its excellent colorfastness and resistance to fading, making it an ideal choice for dyeing garments that will be exposed to harsh weather conditions or frequent washing. Our factory takes pride in producing Vat Blue 4 with strict quality control measures to ensure that our clients receive the best products. Trust us for all your Vat Blue 4 needs.