
1) American invention 2) Brand that became generic 3) Packing need 4) Poppable packing material
Found on
https://www.crosswordclues.com/clue/bubble-wrap
[brand] Bubble Wrap (originally Air Cap) is a trademarked brand of Sealed Air Corporation that includes numerous cushioning products made from bubble wrap. The brand is produced by the Product Care division of Sealed Air. Both the Bubble Wrap brand and product were introduced in 1960, with the launch of Sealed Air. Although the brand was or...
Found on
http://en.wikipedia.org/wiki/Bubble_Wrap_(brand)

Bubble wrap is a pliable transparent plastic material commonly used for packing fragile items. Regularly spaced, protruding air-filled hemispheres (bubbles) provide cushioning for fragile items. `Bubble wrap` is a generic trademark owned by Sealed Air Corporation. In 1957 two inventors named Alfred Fielding and Marc Chavannes were attempting to .....
Found on
http://en.wikipedia.org/wiki/Bubble_wrap

Plastic sheets containing air pockets. Ideal for protecting goods when moving and packing.
Found on
http://www.translationdirectory.com/glossaries/glossary293.php

a clear, bubble-filled plastic material used esp. for cushioning breakable objects during shipment.
Found on
https://www.infoplease.com/dictionary/bubble-wrap
No exact match found.