2oz. Createx Illustration Old Bone White Refined, water-based airbrush colors offer true fine-line, detailed performance while allowing for re-wettable effects and subtle erasing techniques Blookline is a of the Createx Illustration Colors which are refined, water-based airbrush colors optimized for true fine-line detailed performance. Illistration colors atomize and spray excellent throught small airbrush tips sizes down ot .15mm at low psi settings straight out of the bottle. Blookline from Createx Colors is the latest artistic expression for Tim Gore.