Unbreakable Magnetic Wall File, A4/Letter, Clear, Sold as 1 Each by Rubbermaid Unbreakable plastic wall file features a magnet for mounting on any flat metal surface and fits letter and A4 size documents. 13 3/4w x 3d x 6 5/8h. Transform wasted space into convenient storage. Pocket features a magnet that securely attaches to any flat metal surface. Perfect for use on file cabinets. Tough unbreakable plastic construction.