This is also on clearance at Harvey Norman for $25 plus postage but I got it delivered free with Amazon. First impressions are pretty good and some good reviews here:
https://www.lifehacker.com.au/2017/08/hands-on-with-belkins-...
https://the-gadgeteer.com/2018/05/24/belkin-active-pro-backp...
There is also a messenger style bag at the same price:
https://www.amazon.com.au/Belkin-Active-Messenger-F8N903btBL...