These glasses are the only true precision glass sculpture of iconic natural wonders in a crystal glass. Crafted using our proprietary X1 Crystalline, each glass weighs in at 1 lb each! The patented Chill-Charge System chills your drink in just 18 seconds. Quickly release whiskey aromas by swirling the spirits gently around the faces of the mountain. Pour your drink to first base camp for one shot, second base camp for two shots. or pour to the summit of Everest for 3 shots!