KitchenKool Infuser this tea strainer fits to all sizes of mugs, so you don't have to struggle to guess the size that's best for a particular cup or mug! This tea infuser makes it easy to use various dried teas to make your own recipe. If you're a tea drinker or infused water lover this is perfect and due to it's small size it's portable for on the go use. If you don't drink loose leaf tea simply put your tea bag inside.