Mug CONUM

Frequently Asked Questions How much does the CONUM mug hold? 15 oz. Can I pour boiling water into it? Yes. Borosilicate 3.3 glass handles a sudden temperature change of about 284°F, so boiling water poured into a cold mug will not crack it. What is borosilicate 3.3 glass? It is a defined international grade of heat-resistant glass, the same one used for laboratory glassware. The 3.3 refers to how little the glass expands when heated. Most consumer glass is a lower grade. Is the CONUM mug microwave safe? Yes, you can microwave it to reheat a drink. Can it go in the dishwasher? Yes. Will the glass change the taste of my coffee or tea? No. The glass has no taste or smell of its own and its pore-free surface does not hold flavors from one drink to the next. Is this mug good for people with allergies? Yes. The glass gives off no substances and has a pore-free surface. Trendglas Jena is the first and only company certified by the European Centre for Allergy Research Foundation. How big is the CONUM mug? 2.95 inches tall, 5.24 inches wide including the handle, and 4.02 inches deep. How is this different from the CONUM XL? Same shape and same glass. The CONUM holds 15 oz and the CONUM XL holds 20 oz.