A1/A2/A3/A4 snap frame advertising board,snap frame poster board 1.Size: Poster size A2 420*594mm 2. 0.5mm PVC Cover and 1.25mm PS Backer 3. Finish: Silver or black available 4. Snap Open frame for quick and easy graphic changes. 5.Anodize frame edges conceal mounting holes and secureposters 6. Warranty period is one year Application Hotel, street, fast-food restaurant, malls, chain-stores, banks, wedding photograph, gift show and exhibitions.