However, if you are asking how to (a common topic for "making a paper covering"), you can follow these simple origami steps to create one without needing glue or tape. How to Fold a Simple Paper Envelope

You can make a standard envelope using a square piece of paper by following these steps from wikiHow :

Depending on your project, you might prefer different styles:

: You can use old book pages to make "teeny tiny" envelopes by following guides from creative crafters .