1. Sizes available from A0-A5, 50 x 70, 100 x 70, also customized sizes are available2. 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-proofpp layer; sunshine resistance pp layer; hook fixed on the back of posterboard3. Packaging: foam plastic paper (inner); hard paper carton (outside)4. With round corner or mitred corners producing area:China payment:T/T, L/C supplying capacity:2,000 sets/month