304 Stainless SteelSafety certification. Scentless. Contains no harmful chemicals. The safety of immersion in hot water is superior to that of using plastic. Make your drink free from peculiar smell and bad taste. Easy to clean and dishwasher safeFine MeshWithout leaving the tea leaves in the cup. Thanks to these small holes, the tea water remains relatively clear, but the tea leaves do not prevent the water from flowing.Double HandlesThe filter can be used not only for the tea cup but also for other cups with opening diameter from 60mm up to maximum 125mm. It does not fall into the cup using the two handlesMultifunctional LidThe lid is also used as a small tray / coaster. Like a lid to keep flies away from the tea. As an assistant, the whole table is not immediately wet when the tea filter is removed from the cup.Simple cleaningPut in hot water or strong water too allows it to be washed in a dishwasher