1.snap frame,mitred corner 2.25mm aluminum profile 3.MDF or PP back panel,clear ... the full international standards. 1.Made by high quality aluminum, MDF or PP back board and clear PVC face ... ,it can be convenient put on the wall. snap frame Product name: snap frame, 25 mm, mitred corner Item NO:DSP-P08Graphic ... /CTN (A3) The more quantity, the better price. aluminum clip snap frame, 25mm, mitred corner