The Heavy Duty 100 Extra Strong A4 Punched Pockets by G4GADGET are designed for heavy-duty filing tasks. Made of 90 micron glass clear plastic, these A4 sized pockets are perfect for organising and storing documents or crafts supplies. With a sturdy construction and a weight of 1050g each, these clear pockets offer durability and transparency for easy identification of contents. The set includes 100 pockets in a pack, making it convenient for everyday use in the office or at home.