DRITZ-Omnigrid Invisigrip. Invisi-Grip is a clear, non-slip material that is applied to the underside of 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. This package contains one 1yd/91.4cm roll of 12-1/2in/31.75cm wide piece. Imported.