This five piece Full Plate Set, Large, is designed by Anna Griffin for the Empress Die Cutting and Embossing Machine (sold separately). This set includes twp A plates which measure 8.625" x 13.5", a black magnetic mat that measures 8" x 13", an embossing mat which measures 8" x 13", and a metal shim that measures 8" x 13". These plates will accommodate dies up to 13" long and 8" wide. All of these mats wear out in time, so be ready with this extra set of mats for your Empress Machine!