Olfa Heavy-Weight Rotary Mat - 24" x 35" (No Longer Available)24in x 35in self healing professional quality cutting mat especially designed for use with OLFA standard duty cutters, heavy duty cutters, extra heavy duty cutters, art knives, rotary cutters and specialty cutters. Double sided with green base color and gray guidelines on one side for precision cutting, solid green on opposite for general cutting. This mat does not contain any numeric markings, including inch markings or numbering. Helps protect