Similar to recent deal for larger capacities: https://www.ozbargain.com.au/node/777695
I use these for Raspberry Pi images, retro computer stuff and in the camera and toss in the drawer for an extra back up when full.
I bought these ones last year when they were about $30 for 5, so a good saving, and they seem to perform OK for my uses.
Damn, I shouldn’t have bought it in December 2020. I taught it was a good price at $9999