PVC is short for Polyvinyl Chloride. After making to the sheet, the advantage and disadvantages of PVC are: 1 PVC only for the window, has a unique plastic smell, not suitable for food packaging. 2 Cheap than other plastic material window. 3 Easy to be stick with glue, then it’s good to stick them with the paper box. 4 Easy to be weak when on the folding line after multi-folds.