If you want some variation, you can easily change the motif in the frame. Front protection in plastic makes big frames lighter and safer to use. The mat is acid free and will not discolor the picture. The frame can be used horizontally or vertically, whichever suits you or your picture best. Good to know Space for 5 pictures. 2 pictures 5x7, 3 pictures 4x6. Different wall materials require different types of fasteners. Use fasteners suitable for the walls in your home. Mat included.