Transform your wardrobe with Boss it Wash and Dye Black 365g. This washing machine dye brings faded black clothes to life, perfect for refreshing old favourites like jeans, t-shirts, and jackets. This easy-to-use fabric dye is ideal for washable cotton, linen, and viscose fabrics, making it easy to dye up to 1.2 kg of fabric with vibrant, long-lasting colour.