Let's face it, a lot of us have adopted the metal water bottle. Practical, ecological, pretty... it's got it all! Slipped into a bag for the office, a hike or even the gym, it goes everywhere with us.

Metal water bottles are BPA-free, and do not leak other harsh chemicals into the water its holding. Most bottles are made out of copper-lined 18/8 stainless steel, meaning it won’t retain colors ...

In a blog post, water bottle company Hydro Cell says that while metal water bottles are mostly safe to use, they must be made of high-quality stainless steel, such as an 18/8 food grade or 304.

It’s my favorite season: iced coffee season. Well, technically, summer is my least favorite season—but iced coffee season is a season of the mind. Everything is better during iced coffee ...

Metal. Most metal water bottles are made from stainless steel or aluminum. “Metal obviates any concerns we have, rightfully or wrongfully, about plastic,” Swartzberg said.

When finished, the bottle remains 99.8 percent titanium, but it gains the ability to be squeezable, just like a traditional plastic water bottle. Image used with permission by copyright holder ...

Making a reusable water bottle doesn’t produce many carbon emissions, but plastic creates fewer emissions than glass and metal, according to Marcial Vargas-González, the science and innovation ...