This Light Tack Cutting Mat has been designed for use with the Silhouette Portrait Machine.This mat features a light adhesive that holds delicate materials such copy paper, patterned paper and vellum in place when sending jobs to the Silhouette machine. With a cutting area size of 8in x 12in and a printed grid which replicates a virtual on-screen mat in the Silhouette Studio software, using your Silhouette Cameo has never been so easy.Features & Benefits Includes 1 Cutting Mat Designed for use with the Silhouette Portrait Machine Features a light adhesive that holds materials in place Specification Cutting area size: 8in x 12in