The Plastic Cocktail Glasses by Libbey: Stacking Rocks, 10 oz., impact & shatter-resistant, dishwasher safe, freezer safe, temperature resistant up to boiling point, Tritan, BPA Free, Infinium DX, (H 3-3/4 T 3-3/8 B 2-1/2 D 3-3/8) ( Libbey - 109440 )