Gunslinger Mini Mule Cups. This here Gunslinger is meant for getting sippy with your spirits. 2 Fluid Ounces. Grasp it's tiny handle and sip away, pinky out. Keep these in the ice bucket or freezer until you're ready to sip your favorite tequila. Set of 2 tiny cups, 2.5 fluid ounces, 2 .5 inches tall, 2 inch wide mouth, tig welded tiny copper handle. Unique style and superior quality, equipment gives beautiful service that lasts for generations. Heavy gauge and Pure Copper.