Indoor/Outdoor Carbernet, Merlot, or Pinot Noir Wine Glasses (each) Unbreakable Tritan Co-Polyester Plastic 8 7/8 " tall x 3 3/8 " diameter. Dishwasher safe up to 150 degrees F Due to the nature of the unbreakable Tritan material, the sleek stems of these wine glasses are more flexible than the corresponding polycarbonate wine glasses