Martin Yale MVF3 MasterView Replacement Sleeves for Use with MVR24, MVRF12 and MVMSM10; 3 Sleeves Hold up To 6 Important Documents a Time Sold in package of 3 sleeves each Replacement sleeves fit all MasterView systems Non-glare sleeves off two-sided viewing Comes with custom indexing kit Materials can be photocopied while still in the frame