Legal sized plastic envelopes made of durable archival quality PP material with large capacity. Transparent, sturdy, tear resistant and well made. The snap closure works well and the poly pocket easily hold different size loose papers, file folders, notepads and sheet protectors. 3 inch expansion for large capacity and can be accommodated up to 800 paper sheets. Even when full, they stand upright for easy access. The business card pocket is a useful addition for labeling. Fabric trim feels comfortable and protect your hand. Storing pens, paperclips, other office supplies and helping you solve your organization problems quickly and very efficiently. Perfect for organizing and protecting your reading groups for teaching, great for storing upcoming business travel plans, keeping photos for scrapbooking projects sorted, creating little travel packets of important documents like passports, visa documents for your family. Great pocket envelopes works well and makes all the contents readily accessible, keep you away from the troubles of organizing personal papers, professional documents, health records, etc. Work more convenient for teachers, accountants, lawyers and engineers.