Reasonable structure, nice looking appearance, regular performance. Quick heating, tremendous insulation performance, high stress resistant. The product is shaped a whole set of effective electrothermal wire. It can avoid the phenomenon of leakage and burn out after long-term use with the technical improvement, so its life is 2 occasions than the overall products. It is suitable for water dispenser, mini electric kettle, humidifier, warm milk, heating supplies, electrical stew pan, electrical warm temperature water bottles, etc. Colour:gray Material:metal Size:diameter 15 Package Contents: 1 * Kettle heating ring Only the above equipment content, different merchandise aren't included. Note: Light capturing and various displays may cause the colour of the article within the photograph a little bit diversified from the real thing. The length allowed error is +/- 1-3cm.