Say hello to your new favorite glass! Lose the stem, not the style! BPA free and FDA approved. Sustainable. Made from organic molecular glass. Traditional glass contains lime and lead particles. 100% Unbreakable - Did not break when dropped from 10 feet! Traditional glass broke 9 out of 10 times.  Keeps your cold drinks colder, longer. Keeps your coffee or tea hot to the last sip while remaining comfortable in your hand. Dishwasher (top-rack), microwave, and freezer safe! Child-proof…and adult-proof. Made in the USA. Dishwasher (top-rack), microwave, and freezer safe! 10 fluid ounces.