Olfa Mat Set 900 X 600mm X 2 Incl 2 Joining Clips For Rotary CuttersLarge cutting surface Cat no: RM CLIPS 2 When joined together with the supplied clips, a cutting surface of 1800mm x 600mm is offered. Includes two of our 23 x 35" green self healing professional quality rotary mats with clips to attach securely together. Easily protect a larger work surface without losing your cutting grid. Simply clip the two OLFA mats tightly together for uninterrupted cutting and numerical measurement. For smaller projects, use