Faulty Touch Cover -- Repair?

Hey guys. Apparently, I was part of the batch of Touch Covers that split open.

Pretty much the whole thing has split at the sides now, so I'm thinking I should send it in before it breaks fully. However, it's not listed as a repair option on the Surface site and there's no Microsoft Store in Australia, so I have to send it back online. Should I just choose one of the options on the site regardless of the actual problem, or?

FYI, here's the repair options: