PanPastel Ultra Soft Artist Pastel, Diarylide Yellow Extra Dark Panpastel color is genuine artists quality pastel, uniquely packed in a pan format Developed so that artists can easily lift, apply and control pastel color Loaded with the highest quality artists pigments and have a rich, ultra soft and low dust formulation Professional quality colors have excellent light-fastness, are fully erasable Available in Diarylide Yellow Extra Dark color