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. Packaged in a reusable tray. Square Gray Scale 12pc- Contains two each of: white, pale gray, light gray, medium gray, dark gray, and deep black.