How to pick a safe re-usable water bottle

There are two main types of re-usable water bottles plastic and metal. Metal water bottles usually come in the form of stainless steal so no doubt will be very durable and will last you a while but plastic water bottles usually come with more features like hand grips on the side and interchangeable mouth pieces and wider lids for easy cleaning. But whatever the case make sure you pick a bottle that fits well in your hand and that is BPA FREE, it is crucial that the bottle sais BPA free if it doesn't you are taking a chance that chemicals be released from the plastic to the water.