Triplast's A4 Punched Pockets are designed to secure & organise your important letters, statements, invoices, or any other A4 sized documents inside lever arch files, ring binders and folders protecting them against spills, stains & tears. These plastic sheet paper protectors are are made from durable polypropylene plastic and are non-toxic, odour-free, transparent, and reusable. Each hole line is reinforced with a white polypropylene reinforcement. The non-sticky property of these poly sheet protectors means they do not lift or transfer ink from the contents when under longterm storage in shelves, archives, safe boxes or filing cabinets. Each pre-punched file pocket has a standard 40-micron thickness making it durable enough to withstand frequent and daily use at home, school or office. With 11 punched holes, these file pockets are widely compatible and you can instantly start using the sheet protectors with any kind of file or binder. These clear plastic sleeves are an ideal way of keeping documents clean, crease-free, organised and secure.