Superior design: 2 oz./60 Ml capacity with external markings on both sides for easy identification; measurements in 1/2 oz./15 Ml increments, barware essential: flared top edge facilitates smooth and easy pouring; precise and consistent measurements for exact pours to help you craft the perfect cocktail, easy to clean: to maximize the performance and longevity of your barfly products, hand washing with mild soap and warm water is recommended. Avoid detergents containing bleach or heavy chlorination.