NPR x Bodum is here!The award-winning Pavina tumblers aren’t just a pretty face; they’re really clever too! Individually mouth-blown from heat-resistant borosilicate glass, these double wall glasses have a thermal quality that keeps hot drinks hot and cold drinks cold. When additionally designed with NPR in mind, this wonderful coffee drinking tool pairs perfectly with your morning news listening, and has the familiar pop of NPR's red, blue and black.There’s a silicone vent at the base of the glass that equalizes the air pressure between the two glass layers when hot or cold liquids are added.That means no more burnt fingers from picking up a hot cup of coffee, and no messy condensation so no need for coasters.As if this isn't enough, you can also get your wake up call and improve your pun game by subscribing to the NPR Coffee Club. You can choose your favorite flavor(s) and get ethically sourced, delicious coffee delivered to your door. Listen, caffeinate, learn. It's the NPR way.Size: .25 Liters / 8 oz.Use and Care:Wash in warm, soapy water before first use and dry thoroughly. For all subsequent uses, wash and dry by hand or pop in the dishwasher. (top rack, and below 356 degrees Fahrenheit to ensure the NPR logo stays in great shape). Pavina double wall glasses are safe to use in the freezer, oven and microwave..