Omnigrid Invisi Grip for Use on Rulers Cutting Mats and Templates 12.5" (31.75cm) X 36" (91.4cm)" /> Prevents rulers from slipping when rotary cutting. A clear, non-slip material that is applied to rulers, cutting mats and templates. When pressure is applied while rotary cutting, Invisi-Grip prevents your ruler from slipping and sliding. Simply cut to size, peel off carrier paper and apply to ruler. Rotary cut with ease and confidence.