Turn your favorite coffee mug to your favorite tea mug! The Brew-in-Mug Extra-fine Tea Infuser with Lid, is complete with an easy grip silicon rimmed stainless-steel lid. The infuser gives you a perfect even brew every time, and enables you to brew fine teas such as Rooibos tea to large whole-leaf teas like Oolong tea. It fits in American standard mugs. Flip the lid and it works as an infuser holder.