M. Graham has the most beautiful and easily worked color produced today. Each color is created slowly, one at a time, to offer clarity, depth, richness and permanence without peer. Crafted only from artists' pigments, free from extenders or adulterants and dispersed in pure non-yellowing American walnut oil these colors provide a distinctive and traditional value. Completely permanent, intermixable and compatible with all other oils, varnish and mediums including alkyd resin products. This set contains five studio size 1.25 fluid ounce tubes including Azo Yellow, Napthol Red, Ultramarine Blue, Phthalo Green and Titanium White. Set also includes 4-Ounce walnut alkyd medium and one 4-ounce walnut oil medium.