Sleek document envelope is designed without gussets to save filing space yet can hold up to 180 sheets or entire letter-size folders. Hook-and-loop closure allows quick, easy access to contents. For clear view of contents, this transparent envelope will work perfectly. Organize your documents in this convenient & roomy, letter-size (A4-size) envelope. You can reduce the amount of fading in photos, artworks & documents by shielding them in these acid-free envelopes. Your contents will not transfer toner or stick to this envelope made from archival-safe polypropylene. Poly is recyclable so envelopes are environmentally friendly.