The Libbey 15481 Inverness rocks glass has a 9-ounce capacity. It has been through a strengthening thermal process called the DuraTuff® treatment. This helps prevent chipping and breaking while also ensuring that if the glass is broken, it will separate into large pieces. The glass has excellent clarity, showing off the drink to help promote sales. The Inverness pattern is distinct with its unique five-sided base that will capture customers’ attention. The Libbey 15481 Inverness rocks glass is ideal for serving drinks on ice and cocktails.