The Portrait Strong Tack Cutting Mat is intended for use with the Silhouette Portrait® to hold select specialty materials in place when sending jobs to the Silhouette machine. The mat has a strong adhesive level to hold fabric and other thicker materials. The mat has a printed grid which coincides with a virtual on-screen mat in the SIlhouette Studio® software for greater ease of use. Cutting Size Area: 8 inch width x 12 inch length Adhesive Level: Strong tack Intended for Material Types: fabric, thicker materials Compatible with: Silhouette Portrait® (original) Silhouette Portrait® 2 Silhouette Portrait® 3 Silhouette CAMEO® (original) Silhouette CAMEO® 2 Silhouette CAMEO® 3 Silhouette CAMEO® 4 Silhouette Portrait® 4 * Not compatible with Curio