As is standard with Anaconda, original RRP is massively inflated.
Still, seems to be a decent price for a basic sleeping bag rated as 5° on the comfort guide. From google, "The sleeping bag temperature comfort rating helps you understand the lowest temperature where you'll feel warm and comfortable as you sleep." so keep this mind depending on your use case.
Cheaper options e.g. Kmart, $19, only rated to 11°.
If you order click and collect, you should get a $5 voucher, valid for next purchase. Ask for the voucher if they don't include one.
You can zip them together to make a double.