DM271 250ml/8.79oz. Pack Quantity: 12 Made from polycarbonate, these durable Olympia Kristallon cocktail glasses are the perfect alternative to traditional glass for outdoor catering and drinks by the pool. As the glasses are shatterproof, they guarantee drinker safety, making them ideal for busy venues where the risk of breakage is high. Additionally, the cocktail glasses dishwasher safe design allows for a quick turnaround of fresh glassware during service.