poster frames 1.size:A4-B1 2.N.W.:0.4-1.3kgs 3 ... ×20×75Profile: 25mm curved aluminiumCorners: mitred corners, rounded corners and no sharp corners.Back panel: 1.2mm gray PS backboardFront ... panel: 0.4mm anti-glare PVC lensStandard Sizes: A1,A2,A3,A4,B2Color: Anodized any color STEP 1 TO STEP 8ROUND ... CORNER STYLE A1,A2,A3,A4,B2,B1 aluminum snap/clip ...