Le Pen Primary Colors Flex - Set of 6 PensThe Brand New Primary Color LePen Flex set is here. The LePen Flex comes with a durable, flexible rubberized brush tip that is great for hand lettering, journals, planners and much more. Primary color set of 6 includes black, red, blue, green, brown, and dark grey. Good for anything from planners and journals, to business forms and memo pads, to letters and to do lists.