Do I choose a Plastic, Metal or Glass reusable water bottle?

So you have your amazing, on-demand, at home drinking water installed. If you are super lucky and smart, you have installed a PUR2o Alkaline Plus Water system! Now what? If part of your decision to install a drinking water system was to do your part and stop some of the plastic waste from your household, then the next question is obvious. What type of water bottles should you choose for you and your family?