The cutting mat is intended to be used with the Portrait® silhouette to maintain the materials in place when sending work to the silhouette machine. The carpet has a standard level of adhesive to keep most types of Hardcup paper. Cutting size zone: 20 cm x 30 cm. Adhesive Niveau: Standarddestine with material types: cardboard paper, particle panels, fabric, magnetic paper, craft foam, other special materials combatable with the machines silhouette 1 portrait 1 , 2 and 3. Not compatible with portrait 4.