1 unit = 2 glasses Sand etched whiskey tumbler: Each Greenline Goods rocks whisky glass was etched by a skilled artisan and features a hand drawn street grid with map coordinates. Glass sets are carefully packed in an elegant gift box and chosen to make a lasting impression! 10 oz with a heavy base: Premium quality glassware, 100% LEAD FREE, and just the right size. This glass is suitable for any number of cocktail classics. Looks especially classy with an old fashioned, scotch, or full-bodied bourbon. Dishwasher safe & guaranteed for life: Each lowball drinking glass has been sand etched to maintain the integrity of the design. Will not wash off or get distorted in the dishwasher. Glasses have also been thoroughly tested to be breakage resistant. Unique gift idea: Looking for a unique gift idea? You found it. Each glass features an intricate city map which wraps around the tumbler to show a favorite neighborhood or hangout in stunning detail.