Handcrafted, extra-fine, richly pigmented, cadmium free, superior solvency, consistent viscosity, non-toxic with non-chemical additives, professional artist grade watercolors, Tube of 15 ml Offers great color control through their superior solvency, easily allowing a damp brush to revitalize paint, even when dried in palette wells It naturally absorbs onto 100% cotton watercolor paper No gummy thickeners; Outstanding dissolving power which will shorten working hours Surpasses industry standards by using only cosmetic-grade preservatives, proving harmless to humans Country of Origin: Republic of Korea