Add this collapsible shot glass set to your travel supplies for an upcoming vacation, outdoor adventure, picnic, or camping trip, and let the good times flow. The 2.3-oz shot glasses stand 0.9 inches tall and are perfectly sized to serve a refreshing alcoholic beverage. The included lobster clip allows you to conveniently place the collapsible shot glass onto your backpack, tote bag, or luggage. To clean the metal cups, simply place them into the dishwasher or hand wash and air dry.