Buy a roll of fabric, buttons, zips from a charity shop and make your own? We re-use the supermarket bags for Life regularly. Well, they get as far as the boot of the car

. I also buy cloth bags from Charity shops as well as large hand-bags from Charity shops when we forget to take ours and buy more books

.
It's how plastic is disposed of in the UK ........... much of it's burned or recycled.