This stand-alone Craft die, Inside Pop-Up Shelves, is designed by Galina Filippenko for Waffle Flower Crafts. This die is designed to work on the side of your card and builds a pop-up bookshelf with some books already included on it. There are perforated lines for help in folding. This die is compatible with leading die cutting machines (sold separately). This die can be used for A2 or standard-sized cards. This die measures 4" x 4.37".