Offering T3 Tourmaline Hair Straighteners. T3 Tourmaline Ceramic Flat Irons take flat irons to the next level by adding Tourmaline negative ion technology. Use of 100% crushed Tourmaline jewels ensures the most negative ions and far infrared heat and the healthiest, sleekest results. Plate width: 1-3/4 inch wide or 1 inch Features special channels and vents to allow for moisture evaporation as you straighten. Makes quick work of longer hair. Made with 100% crushed Tourmaline technology to ensure the best and healthiest results quickly. Features: T3 channeling and vents evaporate excess moisture; dry and straighten in one fast, healthy step. 1 3/4 inch flat pure Tourmaline infused ceramic heater and plates Steam dry your hair to lock in moisture and softness Blazing heating and reheating to 410 degree F maximum temperature Unsurpassed infrared heat for deep, long lasting straightening With just one run through, the T3 iron dries and straightens Tourmaline ions for smoothing, superior shine and silkness Note: You will hear a sizzling noise from the iron while in use. No need to worry, as this is only water hitting extreme heat creating steam evaporation. The hair is not being fried or dried out. The tourmaline iron is actually smoothing the hair, adding superior shine and silkiness. Above information of ceramic heater for your reference, if you have any questions or need any help, please feel free to let me know, we are ready at your services.