PUREST TASTING WATER – SUPERIOR QUALITY – Made with the finest quality Borosilicate Glass, which lasts a lifetime, 304 stainless steel and heat resistant copolyester for the safest, freshest water. A premium long lasting lid that stays shut when it’s supposed to for years to come, unlike the majority of the others on the market. MAXIMUM SAFETY – High quality thermostat controller, auto shut-off within 30s after the water is fully boiling. Boil-dry safety feature where it turns off if it detects there is no water inside. Built with a Heat-Resistant Anti-Slip Grip Handle, no worries of it slipping out of your hands or getting burned while holding it. Will not contaminate liquids.