Silhouette of America Silhouette Chipboard, 12 by 12-Inch, 25/Pack SILHOUETTE OF AMERICA-Chipboard This package Contains: 25 sheets Size: 12 inch width x 12 inch length Material Thickness: 0.4 mm and Surface Color: Grey Can be used with all Silhouette cutting tools These chipboard sheets are great to use to create your own chipboard album or to add pages to an album project