Finally, a perfect solution to store your standard cutting mat board (12 x 18 inches) and an additional 2 pockets provided for your rotary cutters and other craft accessories. The large pocket also can hold an A4 sized pattern book or your favorite craft magazine. Size Closed 21.5in x 15in. Item has a MAP (Minimum Advertised Pricing) Policy. Please do not advertise them for less than $43.12