A Hydro Flask bottle—of any kind—is reliable. This insulated, double-walled stainless steel water bottle has a powder-coated exterior (a permanent, lightly textured coating) and a plastic cap.

If you have empty 5 gallon water jugs sitting around your house, you might wonder if there's a better use for them than just tossing them in the recycling bin. They're big, bulky, and can easily ...