Pro Art Artist Pastels are formulated to be rich in pigment, offering bold, vibrant colors. The square shape is ideal for broad strokes as well as fine, crisp detail. Both painting and drawing disciplines can be used alongside each other to create a breathtaking range of effects. Colors blend for an infinite range of tones. Contains two each of: White, Pale Gray, Light Gray, Medium Gray, Dark Gray, and Deep Black. Details: Includes assorted colors 12 pastels Packaged in a reusable tray Conforms to ASTM D 4236