CONVENIENT STACKABILITY: Perfect for tight spaces in camp kitchens or crowded espresso bars, these cups are designed to stack seamlessly, saving space while keeping them readily accessible for your next coffee shot. -FRIENDLY DESIGN: Specifically crafted to fit under most espresso machines, these cups are also dishwasher safe, ensuring that no extra effort is needed for cleaning after your coffee ritual. VERSATILE SHOT GLASS USE: While they're ideal for a quick espresso shot, these cups are also perfectly sized for any other libations that come in shot form, making them a versatile addition to your drinkware collection.