If you'd like more unusually shaped pockets, try Laminated Peel & Stick Presentation Folders. Their pockets are fixed with adhesive tape, which means they can be smaller than their interlocking brothers. You save money by assembling them yourself as and when you need them.
When supplying your artwork for print, please ensure you have followed the guidelines at Supplying Artwork.
As this is a folder product, we recommend you read through How to supply files for folders to ensure you achieve the best results possible.