? Material ach of our teas is made from food safe safety materials afe, stable and corrosion resistant. Our glass is like a test tube made of borosilicate Efficien hen the flip is poured on the Tea Pots, the lid does not fall and the lid helps to shorten the tea time se a wooden handle to prevent high temperatures scalding your hands Multifunctiona t is used for the production and brewing of tea and is suitable for microwave ovens, electric hobs, gas stoves, ceramic electric hobs and burners Cleans easil njoy your favourite tea or coffee, as the cups are very good (can be washed in the dishwasher). However, it is recommended to use the device after use to prevent it from being thrown away or damaged by the dishwasher. Rinse some soapy water to keep it fresh Warrant f you have any questions or concerns, please contact the seller by email Warnin lace this product in a microwave. Make sure there is no metal substance on the product