Axiom's Market Basket LX is just the thing for running errands by bike. It's made with a tough steel frame and vinyl-coated steel mesh. It attaches to most racks (sold separately) with its adjustable, quick-release universal mount. And it boasts carrying handles so you can take it with you. You also get a place to easily attach a taillight (sold separately).
Dimensions: 17.7 x 12.2 x 9.8 inches
Carrying capacity: 55 pounds or rack capacity (whichever is less)
Weight: 1,765 grams