Dylon Hand Wash Fabric Dye - Velvet Black This fabric dye for hand use is perfectly suited to smaller items like shorts, vests or socks, and for delicates you'd rather not put in the machine like wool and silk. Whether you're refreshing an army of black socks or reviving dark jeans, you can be sure of beautiful colour and permanent results you'll be happy to show off. 1 pack dyes up to 250g fabric (e.g. shirt) to full shade or larger amounts to lighter shade Suitable for cotton, linen and viscose. Wool, Silk, Polyester/cotton and polyester/viscose mixes will dye to lighter shade Not suitable for pure polyester, acrylic and nylon Use with Dylon pre-dye/salt
