AT-A-GLANCE WallMates Yearly Wall Calendar 2017, Self-Adhesive, Dry Erase, 24 x 18 Inches (AW5060-28) Write, erase and write some more all year long to stay on top of a busy, frequently changing schedule. Write-on / wipe-off surface provides the ability to quickly update and change notes as needed. Dry-erase wall calendar displays a full year (12 months) of monthly calendars from January  December for convenient visual organization 24 in. x 18 in. calendar is large enough to easily keep track of a work team or familys schedule Bright white surface is printed in gray with orange accents. Dry-erase marker is included Self-adhesive backing easily adheres to smooth, hard surfaces such as an office door or wall without tools, hardware or damage. Removable, leaving no adhesive residue.