C Gull-Silhouette Style Cutting Mat. Perfect for cardstock, patterned paper, embossed cardstock, heat transfers, vinyl and more! Each standard grip mat is designed for use with Silhouette style cutting machines. The special adhesive has been formulated to work well with a variety of commonly used crafting materials. Fits media up to 12x12 inches in size. Includes 1 inch grid patterns for proper paper placement and alignment. This package contains one 12x12 inch cutting mat.