Sekisei Growing File AE-50F A4S Gray 10 books 2147345064583

The back width increases to match the amount of documents. The binding thickness can be extended to 10cm, so it can store about 4 to 6 times more than regular files. The back width can be extended to match the amount of documents, so extra storage space is not required. ● External dimensions (vertical) [mm]: 302 ● External dimensions (horizontal) [mm]: 220 ● Color: Gray ● Number of sheets accommodated: 1000 ● Back width [mm]: 17 to 117 ● Number of holes [holes]: 2 ● Hole spacing [mm]: 8 0●Standard: A4-S●Material: Cover = paper (file paper), Binding tool (holding tool) = ABS/PP, Zipper foot = PP + EVA●Bulk purchase●Quantity: 10 books (1 book x 10 books)●Stretchable book