It is possible to make sterile boxes that should not get wet and at the same time resistant to action with the materials you can find in your home.
You can put your medicines, matches, sensitive metals or small notes in a tiny box. At the same time, it does not come in contact with air and always remains dry. You can design this box, made of the easiest materials you can find in your home, in a very short time, in the color you want, then use it for your desired purpose. For video turtorial, click the source page.