Colour therapy fine tip felt pens 20 assorted coloured fine felt tip pens are an ideal accompaniment to the adult colouring books available in our amazon store each pen comes with a fine tip to colour in all those small areas in an adults colouring book and comes with a detachable lid with air holes on the top he pencils comes in a plastic holder tray to keep your artistic tools together this item makes an ideal gift for those who love to colour as a way of de stressing after a long hard day