Size:A0 A1 A2 A3 A4 Shape:Square Anti-wind Ability:good Material:high quality aluminum Color:Silver,black,custom colors W 32MM Type:mitred or rounded corner Grac Size:A0-A5,custom sizes Front Panel:Anti-glare PVC Backing:PS in grey Package:PE bag+single inner carton+outer carton Usage:Advertising Item:25mm white snap frame 18x24,power coated poster frame