Hand-selected by a career bartender: 550ml / 18oz size makes one or two cocktails while fitting comfortably in one hand. Compatible with all industry standard Julep and Hawthorne Cocktail strainers. No more broken glass! Seamless construction means there are no weak seams to break during your shift. Hand-blown glass is durable and designed for beauty and strength. Dishwasher safe for home and commercial dishwashers.