Nourish sells purified spring water in recycled, BPA-free plastic bottles that come with no-spill sippy tops for thirsty toddlers on the go. They also offer a just-add-powered-formula version for babies, which comes with a bottle nipple (natch). Available in a few stores and airports around the country, online at bbraithwaite.com, or by the case at nourish-inc.com.