giftgarden 11x17 black picture frames with mat, 16x20 poster frames without mat, 4 pack giftgarden black 16x20 picture frames designed to display 11x17 picture with mat or 16x20 poster without mat. classic large 11x17 matted frames are great for artwork or poster display. 4 pack 11x17 poster frames can be hung on wall with portrait or landscape orientation.