Double Design: Double ending design. Large cup holds up to 30ml and Small cup has a capacity of 15ml. Material: Made of durable 304 food grade stainless steel. is dishwasher friendly, not to rust, making this jigger one of the best alcohol mixer utensils. Features: The bell shape is elegant and balances perfectly between two fingers. The steep angles and wide openings make easy to fill and pour without spilling a single drop. Function: Designed to give you a professional air and make your cocktail-making more enjoyable and nuanced. Application: Dual spirit measure cup for measuring cocktails, mixes, gin, all of alcohol spirit measure and ingredients such as jack daniels whiskey, vodka, rum or juice