Help you organize documents and files better, and protect important files from stains and creasing. It will be the best choice for file storage! Feature: Flexible, string closure, 1 inch expansion, translucent, waterproof, wear-resistant, waterproof, safety and practical. Button&string Closure: String-tie closure keeps your documents safety and prevent the sheet paper from folding or creasing. Translucent Envelopes: Translucent file pockets offer more convenient to recognize the items inside. Allows you to see the contents of the documents in the envelope at a glance. Large Capacity: Legal size expandable plastic filing envelopes can holds more than 200 sheets.Color: Clear Material: polypropylene Packaged Quantity: 18 Packs Closure: button & string tie closure Envelope Size: 14.2x10.2 inches(36x26cm) Functions: Poly folders can be filled with paper or little things, keep things in order, reduce mess, bring comfortable feeling; well protect against water, scratch, friction, dust, etc. Wide Usages: Ideal for study material, like test paper, review material, thesis; office document, like meeting information, project document, finance statement; stationery like pen, ruler, rubber.