Our Big Cool USA Write-on/Write-off Desk Mat - States Map is a powerful educational resource that allows teachers and students to use over and over. Our Big Cool USA Write-on/Write-off Desk Mat - States Map is 11" x 17". One side is in color and has the label each state activity. The other side is black and white and has various activities. Use a dry-erase pen to wipe clean to use again and again.