1. Fold a square piece of paper into a triangle. If using a rectangular piece of paper, make the same fold as above and then cut off the excess.

2. Take one corner at the folded edge and bring the corner just past the center point, keeping the two folded edges together.

3. Take the second corner at the folded edge and bring the corner just past the center point on the opposite side, keeping the two folded edges together.

4. Bring all folded edges up together to the point where the top of the paper starts to angle.

5. Take the top center point and tuck into the opening created by the folded edges.

6. Fold and tape seal along this opening.