Covers the mouth of your tea pot or mug to trap steam inside, keeping tea hotter and improving brewing for optimal flavor. * Secures tea bag strings so they don"t fall into the mug. * heat-resistant silicone lets you squeeze tea bag to get out all the flavor without burning your fingers, and provides a convenient way to hold the tea bag between uses. * Interior reservoir means mess-free brewing * 100% non-staining silicone, keeps the users fingers safe from heat