Once in gallery, select your face and then choose a product from the BUY button on the right side of page.
Or, click on your face, then click on the larger version of YOU on the right. When an even bigger version appears, click on the little shopping cart symbol near the top center of the page.
There you'll notice tabs at the top for PRINTS and MERCHANDISE. In PRINTS you have many options for different sized prints, with or without mounts and/or frames. In MERCHANDISE, there are multiple choices for great products.