The versatile Dakota Shadow Box can be used as a traditional frame for photographs, artwork, and other flat items, or as a shadow box for displaying three dimensional arts, crafts, and memorabilia.Dakota Shadow Boxes are 5/8 in. wide. Walnut color. Mat board is included with all frames.11 in. x 14 in. frame has an 8 in. x 10 in. opening.16 in. x 20 in. frame has an 11 in. x 14 in. opening.