GMP The Strip File features sliding bar design that holds papers firmly in place. Cover file protects your documents and keep them organized.The sliding bar of these cover files for documents allows easy addition and removal of pages.UTILITY : This Strip Files are suitable for office documents as well as project papers/test papers or worksheets, etc SIZE GUIDE: Best fit for A4 Size Paper/Document (21 x 29.7 cm), and the folder dimensions are 28×32 cm (L*W)PLASTIC TYPE: Eco Friendly, since this file is made from Recycled PlasticFILE CAPACITY: Stores up to 50 papers within the Spine Size of 5cm PACK OF: 10 units