Fasteners keep information organized and at your fingertips. 18 pt. Manila covers feature 2" capacity prong fasteners inside front and back. 1" capacity fasteners on both sides of dividers. Matching TyvekÔŅĹ gussets. 2/5 cut tabs, right of center are reinforced for extra durability. Classification Folder Type: Top Tab; Size: Letter; Number of Sections: 4; Cover Material(s): 18 pt. Manila.