The sound of a plastic bag.

Seven versions:

1. Plastic Bag 1 (0:02)

2. Plastic Bag 2 (0:02)

3. Plastic Bag 3 (0:02)

4. Plastic Bag 4 (0:02)

5. Plastic Bag 5 (0:02)

6. Plastic Bag 6 (0:02)

7. Plastic Bag 7 (0:03)

You get an archive with wav and mp3 files.