What materials are used to make Cloud b Sound Products?

Related Questions:

1. How should my Cloud b Sound products be used?
2. How long will the sound boxes play?
3. Are Cloud b sound products safe for all ages?
4. My sound box is making a "crackling" or "static" sound when activated, what to do?
5. The pouch on my soothing sound product is too small, what to do?
6. Does Cloud b sell sound boxes separately?
7. How do I change the batteries in the sound box?
8. Is a soothing sound product suitable for my newborn/infant?
9. Can the sound boxes be set to continuously play?
10. I have changed the batteries but my sound box will not turn on, what to do?
11. How does the sound box function?