●Mr. Pen kneaded eraser set includes 18 gray erasers, making it ideal for correcting and lightening charcoal, pencil, and pastel artwork. ●With their kneadable and absorbent qualities, these erasers are perfect for any artist or sketch pencil user who needs a reliable tool to help with their drawings and artwork. ●Not only can this eraser correct and lighten charcoal, pencil, and pastel work, but it can also be molded into the desired shape and size for more precise results. ●This is an essential tool for any artist or illustrator looking to do detailed drawings with graphite or colored pencils. ●Mr. Pen kneaded erasers are highly durable and reliable for all levels of artmaking - from amateur to professional - making them the perfect choice for anyone needing an efficient eraser solution.