You can choose to frame your picture in different ways; close to the front or behind the box frame insert to add depth. You can use with or without the accompanying mat. Can be used hanging or standing, both horizontally and vertically, to fit in the space available. Front protection in plastic makes the frame safer to use. The mat is acid-free and will not discolor the picture. Can also be used without the mat for a larger picture. Different wall materials require different types of fasten