I'm looking for something to use in my garden that is similar to the large blue Ikea tote bags, but made of a sustainable material.

Basically I'm in the early stages of sorting my garden out and I have a load of trimmings to chip. I want to store them somewhere to start to rot down, but ideally not in a pile somewhere (I've not really decided where I would permanently like that pile to exist yet and it's not a very big garden!).

But I thought that some good heavy duty bags that aren't plastic would also be useful for doing things like tip runs and for working in the garden and moving things around.

Any ideas?

Or should I just try and get my hands on some old marquee canvas and sew up some of my own? (Not my preferred option because I'd like them sooner rather than later).