A pretty cheap deal, and fast delivery too if you're a Prime subscriber in Sydney and need a mask on Monday.
There are no reviews on the Australian Amazon website as to the quality, but the reviews on the US site look OK:
https://www.amazon.com/Aimersie-Disposable-Non-Woven-Protect…
I bought one. I think even after the vaccine, whenever it rolls out to everyone, I'll still keep masks around. Cold and flu are avoidable and if I think I may have either and still need to go to a shop or a doctor's appointment, then maybe I should be wearing one to spare strangers. To spare family members too. All the times I remember a family member sick for days, pounding headache, vomiting all day, maybe those infections could have been avoidable if the first person to realise they were sick just put on a mask and washed their damn hands.