Keep your documents secure with these plastic envelopes featuring a button and string closure for safe storage. Designed with a 1-1 or 4 inch expansion, they can hold up to 200 sheets, perfect for organizing large files, papers, or study materials. The transparent envelopes allow you to easily identify contents without opening them, making them convenient for school, office, or home use. No more searching for important papers in messy piles. These plastic envelopes fit both A4 and Letter-size documents, making them ideal for storing contracts, presentations, reports, and more. Perfect for professionals, students, and home organizers. These envelopes resist tears and water, ensuring your documents remain protected during transport or storage. Ideal for safeguarding important papers. The vibrant blue color adds style while helping you color-code files. With a 12-pack of expandable plastic envelopes, you can easily organize projects, bills, or school assignments. Color: blue Material: PlasticandIron Package Contents: 1 set x transparent document folders plastic