Thermo-fit earpieces are easily and quickly molded to the exact shape of your ears. Simply heat the Decibullz earpieces with warm water and shape them to your ears. They are the only re-moldable, custom earpieces in the world. Simply re-heat and re-shape. Because Decibullz are molded by you to the exact shape of your ears they never hurt and they never fall out. Live Limitless! - With Decibullz you can do what you love without having to worry about your earpieces falling out or becoming uncomfortable.