Yellow highlighted section for notes and to-do's; fits all AT-A-GLANCE 17 Style Calendar Bases (base not included),12 months, January-December; 3.5 x 6 inch page size,One day per two-page spread; Saturday and Sunday combined; ruled with open scheduling,Past, current and future months reference; monthly tab for easy referencing of dates,Printed on quality paper containing 30% post-consumer waste