Sleek, simple and stylish, our double-walled glasses keep your drink to the perfect temperature. Each piece in our collection of mouth-blown borosilicate glassware is unique, and the air-pocket insulation system is designed to keep your drink insulated whilst remaining cool to the touch. So, will it be a steaming hot tea or cold brew coffee? We love the Calli glasses for iced tea cocktails. Comes with a Whittard branded gift box. Capacity 330ml Care Instructions Dishwasher and microwave safe.