With 80 micron per side, each 160 micron pouch provides sturdy protection for A4 posters, notices, documents and more from scrapes, creases and spills. They are the ideal choice for frequently handled documents, keeping them clean and pristine for a professional look and to make sure important notices are always visible and clear. These laminating pouches have been designed to enhance posters, photographs and more with a stylish and professional finish. This pack includes 25 pouches.