A big foldable bag made of waxed canvas with a hole in the top for handles. Simple and collapsible, you can fold it up and forget about it until you need a big bag to carry a bunch of stuff –it could come in handy.
Inject a little reuseability into your grocery run and help promote sustainability. Use a Gooseberry tote at the market and cut down on those disposable grocery bags. It can help make you into a “one load wonder” hauling stuff into the house.