As follows:

Preparation materials: two pieces of square colored paper (one large and one small).

1. Fold the square colored paper in half along the center line.

2. Unfold the origami paper and fold the other side in half again along the center line.

3. Unfold the origami paper and fold the four corners in half.

4. Fold the four sides in half towards the middle.

5. Unfold the origami.

6. Fold in half along the crease.

7. Fold it into a box shape and set aside.

8. Take a large square piece of colored paper and prepare it as the lid of the box. Fold it twice along the center line.

9. The steps are the same as those for the box. Unfold the origami paper and fold the four corners in half.

10. Fold the four sides in half towards the middle.

11. Unfold the origami paper, fold it in half along the crease.

12. Fold it into the shape of a box and use it as a lid.

13. Put the two boxes together.

14. Let the lid cover the box smoothly.

15. Such a paper box with a lid is ready.