We are a factory producing high-quality A4 black portable transparent polyester mesh zipper bags! These bags are perfect for organizing and storing a variety of items such as files, documents, cosmetics, and school supplies. With a large capacity and convenient zipper closure, they are perfect for daily use in offices, schools, or at home. These bags are great for all ages and are made to last with durable materials. Don't settle for inferior products, choose our high-quality zipper bags and keep your items secure and organized!