Richer in pigments and smoother in texture, Mungyo Standard square pastels will delight the aspiring artist with their soft, smooth velvet effects. Made of pure calcium carbonate, each stick has 30% more pigment by weight than most other brands. Each lift lid box contains a plastic holding tray to separate each pastel stick. This product is non-toxic. Stick size is Standard: 66mm long x 10mm square.