Birthday calendar with flowers: DutchYear in, year out, celebrate in style! This beautiful A4 birthday calendar features a floral illustration each month to add some color to your life. The calendar measures 21 x 29. 7 cm and has a separate page for each month. Miniature versions of the images can be found on the back of the calendar. It is printed on 250 gsm Biotop paper and includes a handy hook for hanging.