What is bubble envelope machine?
A bubble envelope machine is a machine that is used to create bubble wrap envelopes. These envelopes are made by sandwiching a layer of bubble wrap between two layers of plastic film, which are then sealed to create a protective package for shipping or storage. The machine typically includes a mechanism for cutting and sealing the plastic film, as well as a mechanism for inserting the bubble wrap. Some machines can also print shipping labels or barcodes directly onto the envelope.