ZJKJ 18 Professional Paper Pen Charcoal Sketch Drawing and Sketching Pencil Set in Zippered Carrying Case Artist Pencil Set with Eraser Cutter Knife for Beginners, Kids or Returning Artists 1.These pencils are designed for writing, drawing and sketching on paper and matte drafting film 2. Its handle design provides a great convenience for use 3.Smooth writing on papers 4.Great choice for both artists and those who are interested in sketch 5.Give you freedom to create