GOOD GRADE MATERIALhe tea kettles are made of food-grade 18/8 stainless steel that is rust and dent resistant, lasts for a long time.RGONOMIC HANDLEeapots for stove top hold ergonomic silicone handle, easy to grip and safe, making it easier to pour water with one hand.IGH-TEMPERATURE COATINGhe body of the stainless steel whistling tea kettle has a high-temperature resistant coating, try to use a small fire to burn at the bottom of the teapot, so as not to damage the coating.PPLY TO VARIOUS STOVETOPSive layers of bottom heating for improving boiling efficiency. The tea kettles suitable for any heat source including gas, electric, induction, halogen, and radiant stoves.Daily maintenance of stainless steel supplies: When using for the first time, you need to use vinegar or neutral detergent to remove residual oil, welding dust, and marks left by the product after contact with the product during packaging and transportation. Do not use hard objects such as steel wire balls Scrub, use warm water mixed with vinegar or detergent to clean and wipe off the water stains after use, so as to maintain the gloss and life of the product. If it is a pot, please clean the outer surface of the pot regularly to avoid scale deposits and affect thermal efficiency. Please do not store food and water if not used for a long time. The pot itself will not turn yellow or black, but if the heating is too high or there are oil stains or seasonings on the outer wall of the pot, the heating may turn yellow or black. Please use special stainless steel Clean with detergent or toothpaste to make the pot body bright as new