Pop-pop-pop is the same sound to sealed air as cha-ching is to other companies. best known as the company that created bubble wrap, sealed air also makes instapak foam, jiffy mailers, and fill-air inflatable packaging systems, through its protective packing segment. the company operates through its two subsidiaries: sealed air and cryovac. its largest segment, food packaging, makes cryovac bags, trays, and absorbent pads for use by food processors and supermarkets to protect meat and poultry. other products include shrink packaging for consumer goods, such as toys and cds; medical packaging for pacemakers and iv fluid; and specialty packaging for the construction and transportation industries.