Fellowes 300mic Transparent A4 Plastic Binding Cover (100 units) 53763 represents the highest level of transparent protection for A4 documents. With a superior thickness of 300 microns in rigid PVC plastic, these 100 covers offer an ultra-resistant barrier against creases, splashes and intensive use. Their crystal-clear shine gives a top-of-the-range finish to your bindings. They are recommended for daily use training manuals, prestigious reports and portfolios.