Model : 29811HT Heat-Treated Rim Dishwasher safe Use Traex rack TR-6BB with this Cascade Cooler Glass Your guests will love the swirl design on this 16 ounce cooler glass from Libbey®. The rim has been heat‐treated with a special rapid heating and cooling process to give it additional resistance to thermal and mechanical shock and it also comes with Libbey's Safedge® Rim Guarantee their promise that if the rim on this glass ever chips you can return it to the dealer where you bought it and have it replaced.Model #: 29811HTHeat‐Treated RimDishwasher safeUse Traex rack TR‐6BB with this Cascade Cooler Glass"