I've been through a number safe drinking container options, both for me and my husband and for our little boy. I have finally found the option that I think is the safest and fits the best for my family. It is the Lifefactory drinking options, which are all glass.
(photo credit: Lifefactory)
Lifefactory has glass baby bottle, sippy cups, and adult drinking bottles (and have just come out with an adult flip-cap version). Some of you may be thinking...glass - with a TODDLER? I was just as skeptical and had a few other glass bottles break from other companies, but I have been using the Lifefactory glass bottles and now the sippy cups for over a year with no breakage. And we have wood and ceramic tile floors through out home to boot! The silicon sleeve is excellent and has been the best protective barrier I have seen.
I am happy that they have come out with the flip top for adults and plan to try a few of these, as I only have their screw tops. All these bottles are easy to clean and dishwasher safe, including the sleeve. I have been much happier with these than the stainless steel I was previously using (it seems like the lining of the inside of some of the bottles was breaking down). These bottles can be bought on amazon for a few dollars less than buying them on the Lifefactory website.
(photo credit: amazon)