Insulated mug: a pack of six double-wall pavina mugs, 12 ounces each; perfect as a coffee mug, Espresso mug, or a multitude of other hot and cold beveragesHeat resistant: Bodum mug is made of mouth-blown, lab-quality borosilicate-glass construction for a durable and heat resistant glass2-Layer design: insulated Coffee mug has a sleek 2-layer design that creates a dramatic optical illusion and prevents condensationMicrowave safe: quickly reheat your Coffee in the microwave and toss in the dishwasher when you need a clean; microwavable and dishwasher safe mug. The individual dimension of 1 glass is 4.56 x 3.46 x 3.46 inchesAward winning: Bodum Bistro double wall glasses are the winners of the prestigious European if design award; 1 year Limited