Liquitex Professional Spray Paint Cans 400ml - Liquitex 4450381, This Cobalt Blue Hue Liquitex Professional Spray Paint is ideal for use by professional artists, illustrators, teachers and students both indoors and outside. Using water-based technology, Liquitex Professional Spray Paint brings you brilliant but durable colours which can be easily cleaned up when wet but satisfyingly permanent when dry. Liquitex Professional Spray Paint Can 400ml - Cobalt Blue Hue