The good news about reusable water bottles is that they reduce waste. The bad news: Some can leach harmful chemicals into your water. In order to distinguish the safe from the not-safe, check the number on the bottom of the bottle. Plastics numbered 3,6, and 7 have come under scrutiny. Stainless steel or aluminum bottles make good, durable choices, as do those from non-leaching 1,2,3,4, and 5 plastic. Here, stylish bets to keep you hydrated and healthy (clockwise from front):
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