One month old beanbag

Bought a faux leather beanbag in July which now a month later has two small tears in it.
Took it back to shop with full receipt to be told it's accidental damage so not covered under guarantee.
I took it further to be told the same.
It costs £30 but its the principle of the fact its not fit for purpose one month after purchase.
What can I do next please?

Been told by Argos to get an independent report if I'm not gappy with the wear and tear of a month old item