Why is the column cushion filled with injectable expanding foam?

The foam dramatically increases impact protection of the Column Cushion, and it helps the Column Cushion return to shape after impact.

As you can see from the video below – The form-filled Column Cushion bounced back a lot better and the air version shattered under force.

 

Air filled – https://barriergroup.wistia.com/medias/6udmq30nor

Foam filled – https://barriergroup.wistia.com/medias/abd7p7o2w6