In article ,
Grunff wrote:
David W.E. Roberts wrote:

These bag things are supposed to bio-degrade, so only a solution for a year
or so.

Really? Mine don't - they're polypropylene, and will stick around for a
looong time.

Had a couple full of gravel at the bottom of the garden for a few years.
Both have gone very brittle - the one I attempted to empty and move just
crumbled.

I *think* they were from Travis Perkins originally - can't tell now as the
logos are long gone!

Darren