Answer:

bubblewrap

AnswerCrossword Clue
BUBBLEWRAPPackaging need
BUBBLEWRAPPoppable packing
BUBBLEWRAPShipper's supply
BUBBLEWRAPPoppable packing material
BUBBLEWRAPPacking that's popped
BUBBLEWRAPIt might pop in the post office
BUBBLEWRAPArticle of outerwear for a champagne drinker?