[Special Design: We have 2 mats. One opening size is 3.5x5.5 inches suitable for 4x6 photos. Another is 4.5x6.5 inches suitable for 5x7 photos. The size of the opening is 0.5 inches less than the size of the suitable photo which can better fix the photos without sliding out. Sturdy and Lightweight: Our picture frame is made of engineered wood and is recognized for being both lightweight and flexible. "Clear Acrylic Cover: Its lightweight and sturdy better to showcase the vividness of photos clearly." 3 Ways to Display: Our 11x14 picture frame is great for 5pcs 4x6 photos or 2pcs 5x7" photos with mat or 1pcs 11x14" without mat. Easy to Install: The back panel is designed with snap buttons which can better prevent the back panel from falling off. And we are equipped with picks specially used to open the photo frame so that your hands will not feel pain when loading and taking photos. Vertical and Horizontal: There are 2 sturdy hooks at the back for vertical and horizontal hanging.]