When I come out of the pool with my wet towel, water shoes and swimming costume, I'm glad of my plastic bags.
When I buy a hangi (popular fundraiser here), no paper, bamboo or other container will do as the juice runs out if it's not in a sealable plastic box. Ditto any takeaway with liquid content.
Nor do any of the things in my pantry (flour, pulses, rice) survive in paper and I cannot afford glass.
I have multiple cloth bags used regularly and refuse paper bags from the supermarket as their use, now massive, kills precious trees
And how do you successfully re-use, multiple times, a paper bag, as I do with plastic?
The bags which hold my swim things were from seafood: fresh unshelled, live mussels, kept in iced, filtered water before sale and of course, dripping when packed.
Well washed, these bags are now ideal for my use. Just 3 bags, re-used every week this year.
When the supermarket put my things in paper bags, they were torn before they even got home; a criminal waste of resources.
Now I insisted on their re-using cardboard boxes from their warehouse stocks.
Yes, the eco-cost of manufacturing cloth bags, which often have some polymer content for durabilty, is contentious.
So when we are considering eco-sense (and NZ is possibly one of the more eco-minded countries) it has to be tempered with a little common sense.