Bodum 15oz Bistro Double Wall Insulated Mug, High-Heat Borosilicate Glass, Set of 2, Clear

When form follows function, design just works. Abiding by this belief, the Bistro Double Wall Glass Line serves best if used to keep ice cold drinks cold and hot drinks hot. The Bistro family of mugs is streamlined: shaped without many edges and corners, employing a form for everyday use with the special double wall glass thermal effect. The Bistro line is made of mouth-blown borosilicate glass known for its amazing insulating qualities. It is a perfect glass line for people enjoying a whole range of beverages, from ice cold drinks to espresso or cafe latte.
Individually mouth-blown by expert artisans, BODUM’s proprietary Double Wall Glasses feature two walls of borosilicate glass with air in between, creating a highly effective layer of insulation
Silicone valve at base allows for changes in pressure
Perfect for serving ice cream and soups
Keeps ice solid longer
Dishwasher, microwave safe, and oven safe