BPA-free, dishwasher safe, and shatterproof. Maybe unbreakable. When you Govino, you'll be ready to break up with both your cheap plastic partyware and elegant fragile stemware alike. Tuck your thumb nicely into our trademark thumb notch, and take it anywhere you can go. Constructed of crystal clear BPA-free Tritan. Dishwasher safe. Includes 4 12oz shatterproof glasses. Made in USA.