I.R.I.S. Stor N Slide Plastic Storage File Boxes

Stackable file box glides across most surfaces easily so it's easy to put into storage and retrieve. Modular lid makes the file box easy to stack. Low-friction disks on the bottom make it easy to move in and out of storage spaces on a variety of indoor surfaces without adding height to the product. Durable design accommodates letter-size and legal-size hanging file folders. File box also features snap-tight buckles for secure storage.

Price: £ 91.98 from Zuma Office Supply US