Don't bother with binders, folders or plastic wallets... It just gives Sheffield more work to do because they have to take everything out and rearrange it in the order they need.
Best thing to do is to put everything in organised piles of paper and hold together with either paper clips or rubber bands, perhaps with one large clip or band around it all.
Then just put it all in the envelope as it is... Just a simple pile of papers.
If your application documents are thicker than 1-2 inches and/or weigh more than a couple of pounds, you've got too much stuff.
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