Customers say this tea infuser is extremely easy to use and fits perfectly in any size mug. They appreciate how it sits on the rim of the cup and prevents loose tea leaves from floating in their drink. Many find it convenient for making single servings and note that it works well with various loose leaf teas. Users love the fine mesh that effectively filters tea while allowing proper steeping. Several mention it's simple to clean, though a few note cleaning can be challenging in the seams. The stainless steel construction is praised for its quality and sleek appearance. Many customers use it daily and find it makes brewing loose leaf tea much more enjoyable and mess-free.