Sizzix 661350 Eclipse Accessory Cutting Mat, 12" by 12" 12x 12cutting mat provides a smooth adhesive surface to hold your material in place during cutting 1Grid pattern matches the lines on the virtual mat shown on your computer screen using ecal lite or Ecal2 software for error-free cutting of images up to 12x 12 Features side rule for easy material placement Mat can be turned 180 degrees and features load arrows for mistakes-free insertion Lasts twice as long