These compressed charcoal sticks from Artist's Loft feature an even, smooth application for blending and shading. Use the flat edge for larger broad strokes, or use sandpaper to make a fine point for detailed work. Any mistake is easily remedied using an eraser.Details:White5.51" x 2.76" x 0.35" (14cm x 7cm x 1cm) package size4 compressed charcoal sticksCalcium carbonate and talcum powder