What is cattle panel?

lemoniejones5whbiWNP

I am wanting to make a greenhouse following the video below but cannot find what cattle panel is in the UK.  Can anybody help?

https://youtu.be/-DKlXs8iov0

K67

It's mesh panels. They are about 16ft long and although I haven't looked at the video it's used to make the roof and sides.
https://bonnieplants.com/gardening/cattle-panels/

You can get mesh panels but they most likely will be 2.4m x 1.2