This Libbey® Gibraltar® mid‐sized 7 ounce rocks glass stackable and paneled for a good grip. It 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 #: 15241<>DuraTuff® Treated<>Resistance to thermal and mechanical shock<>Stackable<>Dishwasher <>Use Traex rack TR‐12A with this Gibraltar® DuraTuff Rocks Glass"