Each Portal is made with a variety of materials such as museum board, paper, thread, pigment, dye, silk, and cotton fibers. The measurements for each piece are 3ft by 2 ft. They work great individually in pairs or bigger groupings. If you want his artwork to be shipped to you, make sure to select “Big Artworks FedEx Shipping.” If you’re located in Kansas City, you can also select “Local pick-up.”