With the Duo collection of Leonardo you can enjoy your hot coffee and tea longer! The double-walled glasses, which are made of borosilicate glass, not only look incredibly nice, they also keep your favorite hot beverage hotter for longer! This unique collection not only looks cool from the outside, the glasses stay that way. Thanks to the double glass, the outside will not heat up and you can always move the glasses around. Microwave safe, heat resistant up to 100°C, dishwasher safe and resistant to temperature changes, the Duo collection is all of it!