The phrase "bubble wrap" is used to describe a type of packing material made of plastic that has small air-filled bubbles. It is often used to protect fragile or breakable items from getting damaged during transportation. Full definition
We've done a couple of simple activities based around forces recently, so when a sheet of bubble wrap arrived in a parcel I knew just how to use it. (science-sparks.com)
Otherwise life is generally unsafe but we don't walk around in bubble wrap. (hobowithalaptop.com)
Make sure you protect your ceramic smile with bubble wrap before sending though! (modernlovelongdistance.com)