... ,inner pocket: 0.15mm 2.letter size 3.12insert tabs,13 pocket 4.24pcs/ctn Type: Expanding file ;Material(s): ... your school or home13 pockets, 12 tabsFront flap with elastic string and button closure for easy accessBlack stitched edgesFor letter size ... comAddress: Bibotan Industrial park,Sunduan town,Shaoxing,Zhejiang,ChinaContact:Alyssa 13-Pocket Poly Expanding File, Includes Tabs, Button and Elastic ...