Made with the purest grade of pigment, Gallery Semi Hard pastels have unsurpassed bright colors and highest degree of light fastness. Square shape and semi-hardness makes them ideal for both rough sketch and painting, or broad side being easy to use to cover wide areas. Semi-hardness avoids the pastel sticks from being too fragile and producing exessive dust, making them easier and more manageable to work with. Label with color number & name wrapped on pastel sticks for easy identification.