STAINLESS STEEL HEATING TUBE: It is made of high quality stainless steel heating tube, high hardness, high rust resistance and good heat resistance. QUICK HEATING: power 600W high power, combined with high quality stainless steel heating tube, can heat up quickly, quickly increase the water temperature,Heating only takes 1-2 minutes.It is important to note that after unplugging, it takes about 20 seconds to remove the Immersion Heater. EASY TO USE: This water heater is easy to use and has a clip next to the tube that you can clip on the wall of the tumbler or a another container to secure it. HIGH QUALITY POWER CORD: Immersion heater has a one meter long power cord. The power cord is made of high quality copper wire material. It is wrapped with PVC insulation material. It resists high temperatures and oxidation. You can use it with confidence. SMALL SIZE AND EASY TO CARRY: heating element is medium in size and ideal for heating water or coffee in cups or pitchers for the home, office, dorm or travel. Quantity Shipped: 1 piece Product color: yellow Product specifications: 220V 600W Product size: 128 x 33 mm, cable length: 1 m.