AT-A-GLANCE 90/120-Day Undated Horizontal Erasable Wall Calendar helps you make and view plans over a three or four month time period. Undated format allows you to pick your own start date. Calendar is reversible giving you two scheduling options to choose from: side one 90-days undated; side two 120-days undated. Convenient, erasable, write-on/wipe-off surface allows for changes to plans. Blocks for recording appointment and meeting details are 1 5/8" x 3" on side one; 2 7/16" x 1 13/16" on side two. Includes notes space for making next month’s plans. Printed on paper made from 30% post-consumer material. Wet-erase marker included. Page size 36" x 24"; overall size 36" x 24" x 1/8".