Vibrant color, non-toxic marker set, featuring double-sided fine and ultra-fine felt tip. Perfect for our coated and non-coated calendars. Your designs and words pop off the page making it is easy to add color to any calendar. Accentuate a special date. Draw attention to events. You will love this addition to your Blitz Calendars. Tested on our calendars. Every set comes with a FREE zipper pencil bag. Ships Free.