Cost-effective organization. Subdivide materials for quick retrieval with 15 pt. Manila economy folders that feature 2" capacity fasteners inside front and back covers. 1" capacity fasteners on both sides of dividers. Sturdy Tyvek? gussets for durable expansion. 2/5 cut tabs, right of center. Classification Folder Type: Top Tab; Size: Letter; Number of Sections: 6; Cover Material(s): 15 pt. Manila Stock; 15 pt. Manila.