Rexel reinforced top opening pockets protect documents using a clear polished polypropylene film for clarity made from 80 micron polypropylene material these folders are tough enough for daily use and will resist accidental spills suitable for use with ohps and photocopiers the pockets are also print safe so ink and toner wont transfer during use these multi punched top opening pockets allow easy access to ring bound documents for editing and the green spine provides additional reinforce