100% Food grade material: 100% 304stainless steel interior to provide healthy water, Auto shut-off &boil dry protection. Double wall cool touch, Saves energy and protects users from burning. Detachable lid &Wide opening, Convenient to fill and clean the kettle. The maximum boiling point is 1000C, Enriched flavor of the tea. Tip over spill guard, Prevent hot water out in case of the kettle knocked over accidentally. ◎ 1. 0L food grade teflon or stainless steel tank. ◎. Auto power off after the water boils. ◎. Dry boil protection. ◎. Detachable lid. ◎. Tip over spill guard.