Lenox® Tuscany Classics™ Cold Beverage Set of 4. Made of borosilicate glass, these cold beverage tumblers can handle the chill from your frostiest refreshments. Enjoy your favorite cold drink on-the-go in style. Bamboo lids and stainless steel straws. Lids also function as a coaster. Glasses and stainless steel straws are dishwasher safe. Bamboo lids are hand wash only. Measures 6"H x 3.25" diameter with 20 oz. capacity each.