Some bottles on this list are insulated stainless steel that keeps your water very cold for long periods of time. But others are plastic, glass, or non-insulated steel, as several of the people I ...

"I have too many bottles — the options are endless." Woman shares clever hack for reusing empty glass bottles: 'I can't believe I never thought of this' first appeared on The Cool Down.

Based on expert advice, most of the water bottles we recommend are stainless steel, but we also included a few that are plastic or glass. Most of the water bottles on our list also have several ...