1. poster board or poster photo frame or snap frame; 2. from A0 to A4 size available in our factory , customized size available ; 3. material: snap aluminum profile (with spring sheet), can be open and closed freely;3mm thick plastic sheet or wooden board or aluminum-plastic panel ; with water-proof PP layer ;sunshine resistance PP layer ;hook fixed on the back of poster board; 4. packaging : foam plastics paper (inner );hard paper carton (outside);