... fiber backing board 3,transparent PVC sheet to protect poster 25mm mitred corner aluminum snap boardname25mm mitred corner aluminum snap boarditem ... .4cm*84.1cmpacking10pcs/CTN(67cm*18cm*92cm) 1,mitred corner2,25mm aluminum profile3,transparent PVC sheet to protect poster from scratching ... -66307850mobile phone:0086-(0)-15151463938(7*24h available) contact:Michael 25mm aluminum snap board