Drinique ELT-RK-CLR-4 Elite Rocks Unbreakable Tritan Whiskey Glasses, 10 oz (Set of 4), Clear 10 ounce capacity. Ideal for cocktails, SCOTCH, whiskey, mixed drinks. Hot or cold liquids. Dishwasher safe. High temp wash & Dry cycles with rinse aid recommended. Stays Clear, even after hundreds of washes. Avoid using abrasive cleaners (I.E. Scotch-brite, brillo, comet) and stiff brushes Unbreakable. BPA-free. Made from 100% Eastman Tritan. Stackable design. Freezer safe. Microwave safe. Lifetime Guarantee against breaking and cracking. Made in USA