It is produced by a special material with PET material . This type of card is characterized by remarkable clarity, accurate color reproduction,smooth and bright surface,waterproof function, anti-ultraviolet and it is more environmentally favored.Since the back is of adhesive base sheet,it can also be posted to any substrate surface such as the production of high-grade album artwork, luxury menu, etc.size(mm): 210×297Thickness of each layer: 0.125MM (transparent printing sheet)+ adhesive base sheet