you could easily find something at your local hardware store to make you feel secure. The package contains the headphones, a case, two extra sets of earbud covers (large and small, medium comes already installed) a short micro USB cable, and the instruction manual. The book explains that we are living in a soup of EMF radiation, the biased tactics the governments use to twist studies and what you can do to keep safe! Thought it wouldnt do it but its silicon or some stretchy rubber that expands. I used to carry a standalone DAC/amp combo but I dont even bother anymore. I still need to call Amazon to tell them why I sent them back, but needed to cool off before I do! The material attracts EVERYTHING so the case never looks clean. I suggest to get the sticker for the right and left side and paste it on inside of the bracket cover. It looked as though there may have been plastic covers on the ends at some point, but fell off during transport. He wears 8.