Snopake Polyplus Heavy Duty Wallet File Polypropylene A4 Assorted Colours (Pack 5) The Snopake Polyfile was launched in 1995, as a tough, elegant and environmentally-friendly alternative to the manilla folder. Manufactured from tough, long-lasting polypropylene, it is easy to wipe clean and is available in an array of vibrant colours and soft clear pastels. Complete with a coloured press-stud that ensures that documents stay safely inside the folder.