AT-A-GLANCE 30/60-Day Undated Horizontal Erasable Wall Calendar helps you stay focused on what’s coming down the road without overwhelming yourself. Undated layout lets you start with any month, any year and never fall behind. Reversible calendar provides you with two scheduling time frames to choose from: side one 30-days undated; side two 60-days undated. Blocks for recording scheduling details are 3 3/16" x 2 1/8" on side one; 1 9/16" x 2 1/16" on side two. Includes notes space for making next month’s plans. Both sides feature the erasable write-on/wipe-off surface to let you change plans as needed. Features blue print on quality paper made from 30% post-consumer material. Page size 24" x 17"; overall size 23 3/4" x 16 3/4" x 1/16".