Rexel Economic A4 50mm Lever Arch files are made from environmentally friendly FSC Certified board covered in wipe clean polypropylene with a grey paper lining inside. They feature a standard mechanism ideal for regular use in the home or office. The narrow, 50mm spine holds up to 350 sheets of paper and there is an exchangeable spine label to clearly identify contents. The files lock when closed, have a thumbhole for easy retrieval from shelf and protective metal edges for durability. They are available in a selection of vibrant colours and with a wide 75mm or slim 50mm spine.