Hi Sarah,
I'd like a canvas bag for my rubber mats.
I have 8 of the interlocking mats that I carry for under the shower, and also for the camper door.
The bag would need to be 66cm x 66cm x 10cm internally, with a velcro flap (same style as your security cable bag).
Grey canvas would be good, and postage would be to Werribee VIC, 3030.
Thanks,
Geoff