Which kind of reusable water bottle is best? We asked the experts.

Reusable water bottles are having a moment, thanks, in part, to the viral thirst for stainless steel Stanley tumblers.

Drinking from a reusable bottle is likely to be healthier, more sustainable and, in the long run, cheaper than buying endless packs of disposable water bottles. That’s because the water in single-use bottles is chock-full of microplastics, and the bottles themselves are rarely recycled, often winding up in landfills or clogging waterways.