We live in a world where we are constantly inundated with electronic devices and EM waves. While most of the time these devices and waves are harmless, there are times when they can be damaging - even deadly. That's why you need the NEST-Z kit, which includes 5 moisture barrier bags that are specifically designed to protect your devices from EM damage. Whether you're worried about an EMP attack or just want to be prepared for anything, the NEST-Z is perfect for you. With 11,500 PSI tensile strength and 33lb puncture resistance, these bags can withstand almost anything. And their EMI attenuation is >40db, so you can rest assured that your devices will be safe.