Each hand-rolled stick contains a unique combination of traditional and synthetic pigments, combined to bring out their inherent beauty. Colors lay down with minimal resistance allowing several layers to accrue without becoming too thick. - Mount Vision Soft Pastel Set - Blue, Set of 25Mount Vision Pastels, BLU 25/SET - This set contains Purple blue 520, Purple Blue 521, Purple Blue 522, Purple Blue 523, Purple Blue 524, Midnight Blue 540, Midnight Blue 541, Midnight Blue 542, Midnight Blue 543, Thunderstorm Blue 644, Winter Blue 340, Winter Blue 341, Winter Blue 342, Winter Blue 344, Cobalt Blue, 430, Cobalt Blue 431, Cobalt Blue 432, Cobalt Blue 433, Cobalt Blue 434, Phthalo Blue 80, Phthalo Blue 81, Phthalo Blue 82, Phthalo Blue 83, and Phthalo Blue 84.