B4 Size Large Capacity Plastic Expandable File Folder: Size 14.4'' x 10.4'', Larger Than Normal A4 Paper / Size Plastic Envelope Portfolio. Expandable Holds up to 2.8''/7cm, 800 pages large capacity, with canvas cloth gusset. extendable folders file wallets could help you easy to carry large books and documents. .Durable Snap Button & Label Card Slot: High quality fancy clear document folder with snap button. Plastic Envelopes have a pocket for labels to distinguish documents easily. .Visible in Translucent: More Vivid and Bright color folder bags, but it still visible in translucent. You could easy to check the contents inside the plastic file folders. .Great Idea for File Document Paper Storage: widely used in school office homes. Perfect for US letter, large size notebook , school subjects, office documents files, traveling A4 files, business cards and even though 14 laptop or iPad could be put inside to carry with you. .