Safe Food Grade Protective: Made of safe food grade protective material PBA free. Heating plate and kettle lid is made of 304 stainless steel. Ultrathin Design: Folded size: 170*139*132 MM; Unfolded size: 149*139*50 MM, comes with zipper foldable storage bag: 6.5*8CM. One Button Design: Super easy to opreate, just press the button, then water will be boiled in 3-5 minutes, Once the temperature below 75 degree, water will be self-heated. Detachable Power Cord and Handle: You can separate power cord and handle from kettle body, more convenient to store and more unimpeded to pour water. Dual Voltage Optional: 110V/220V dual voltage can be use all over the world, you can change it at the bottom of the kettle.