12"x24" Cutting Mats. These multi-purpose mats are perfect for a wide range of medium-weight materials; including patterned paper; vinyl; iron-on; and cardstock. This package contains three 12x24 inch cutting mats including the classic green standard grip which is great for cardstock, iron-on, vinyl, washi and window cling material. The purple cutting mat has a strong grip ideal for thick cardstock. glitter cardstock, poster board and fabric stabilized with a backing. Finally, the light grip blue mat is great for light cardstock, office paper, vellum and other delicate materials that require a lighter hold.