Do you want to pack the smoke alarm in the US
It is important that after ventilation, you must untie the package, or the alarm can not function, it is dangerous but not alarm.
It is best to have a good smoke, pumping. But this is usually not much. And even wrapped up, but also need to discharge the oil as soon as possible.
Especially if you live with others, may also lead to legal liability. In addition, if the package has a loss of fireworks, insurance companies do not compensate.