When searching for products on the Bargain Balloons website, you may come across descriptions that read 'Airfill only'. These particular products require air for inflation because if you inflate these balloons with helium they will not float. 

Please Note: Almost all 'Airfill Only' balloons require heat-sealing. See article  How to Heat-Seal Airfill Balloons.

The following list of balloons will not float with helium: