1. it is made of borosilicate glass and is -20 ? - 200 ? can withstand temperature difference. it is suitable for gas stoves and can also be cooled in refrigerators. with its beautiful appearance, high ornament and interesting features, it can also be used in the laboratory. do not be afraid of sudden changes in temperature, adapt to rapid changes in low and high temperatures. 2: the mouth of the cup is smooth and delicate and does not hurt the lips. 3: round wooden handle, effective fire and heat insulation, more comfortable to use 4: safe material, more reassuring food: this product is made of food grade borosilicate glass, with good light transmittance, non-toxic, heat resistance, high temperature resistance and other characteristics, and good light transmittance. however, since the product is equipped with a log handle, it can be used in microwave ovens, dishwashers, etc. not available. 5: the general catering industry and coffee shops will use this product to supply dairy products, coffee, sauces and various snacks. it can be easily cleaned. Create a party-ready atmosphere with this colorful LED lighting. Easy to install and perfect for events or home decoration.