High-quality PP material is thick, wear-resistant, hard to fade, waterproof and pretty protective. Reusable plastic snap button is easier to open and close the document folders and has long service life. Large enough size is suitable for both A4 and letter sized files storing, holding up to 150 sheets papers. Transparent color is helpful to clearly identify the internal information outside the bag.13 1/10" W x 9 1/2" H