Made by solid wood which is more durable and stand up better to changes in temperature and humidity than composite wood. Picture frame set of 4 piece give you freedom to create an excellent photo collage. Your favorite family, vacation or memorable events frozen by a photograph can be done in a manner that is creative and visually appealing. These white picture frames might be what you are looking for. Frame description: Overall size: 10x13.1 inch Opening view: 8.7x11.7 inch Back opening: 9x12 inch Mat size: 5.75x7.75 inch 4 pack 9" x 12" frame size, fits 9x12 inch photo without mat. Comes with 4 mats: 4 mats with 5.75x7.75 inch opening for 6x8 inch photo display. Made of solid wood (Real Wood, not composite wood). Hangs both horizontal and vertical. Table-top display both horizontal and vertical. Nothing adds warmth to a home more than a display of personal photos and mementos. Choose the solid wood for long-lasting way to display your favorite family, vacation or memorable events.