Model : 15645 DuraTuff Treated Use Traex rack TR-11GGG with this DuraTuff Paneled Jumbo Cooler Glass Clear United States This 24 Ounce jumbo cooler glass features a paneled body and has been treated with Libbey's patented DuraTuff thermal after process for pressed tumblers, which gives the top portion of the glass maximum resistance to thermal and mechanical shock. When you see the embossed DuraTuff name on your product, it means you're getting the longest service life in the foodservice industry. Model #: 15645 DuraTuff Treated Use Traex rack TR-11GGG with this DuraTuff Paneled Jumbo Cooler Glass