The traditional method used to colour oak, mahogany and walnut. PurposeLiberon Van Dyck Crystals are a traditional and natural water based wood dye made from walnut husks. They produce a colour ranging from a very light brown to dark brown depending upon the concentration. Performance- Traditional method for colouring oak, mahogany and walnut. - Natural dye made from walnut husks. - Intensity of colour is controlled by the strength of dilution.The Liberon LIBVDC500G Van Dyck Crystals comes in the following: Pack Size 500g