In order to test Cirkul (we used the 22-ounce plastic bottle), we simply followed the accompanying instructions. We opened the flavor cartridge packaging, popped it in through the space at the top of ...

Cirkul water bottles feature single-use cartridges. The cartridges flavor the water every time someone sips from the bottle.

Affordability may have something to do with it: a 22-ounce Cirkul bottle starts at $15, while the flavor cartridges — called sips — cost $3.75 apiece. But Cirkul isn't the only startup that's ...

Glasstic 16oz Clear Glass: This bottle suffered from extensive scuffing during our drop tests. Lifefactory 22 oz Glass Water Bottle: The wide mouth was awkward to drink out of—it felt like ...

Stay hydrated with these durable stainless steel bottles that keep drinks hot or cold for hours. Rochelle Bilow is a commerce editor, food writer, and novelist. A graduate of the French Culinary ...

Promotions are subject to availability and retailer terms. Reduce waste and save money by using a reusable water bottle instead of disposable cups and bottles. Reusable water bottles are not only ...

Read on for full reviews of all my top picks, plus details on how I tested and advice on how to pick the best bottle warmer for your family. After testing seven of the top bottle warmers ...

You want to know what a bottle episode is. We’re ready to help. (And if you need to return in the future, we’ll be waiting for you at isitabottleepisode.com.) The most familiar definition of ...

School is back in session and chances are you’re packing a backpack with some kind of reusable water bottle in the side pouch. Chances are also that the water bottle is grosser than you think.

When it comes to staying hydrated, a great reusable water bottle is both cheaper and more eco-friendly than the single-use plastic bottles. There are many options to choose from and it can be ...