Food Grade Silicone Materials: Our tea infusers are made with food grade, non-toxic silicone which is no harm in contact with food, they wont leave an aftertaste or an unpleasant odor, more importantly wont rust or discolor like a metal tea ball chain. The ultra high temperature resistant can withstand temperatures from - 40 to 230 . . Cute and User-Friendly Design: There are many small holes in the silicone tea strainer, which can effectively filter the tea leaves and prevent the tea leaves from leaking into the water. Even if the shapes of the tea cups are different, they all can be hung on the wall of the cup. An interesting tea diffuser will make you fall in love with drinking tea. . Easy to use: Just open the silicone strainer, put in the tea, fruit tea, scented tea or anything you want to make, put the lid on, then put it in the cup and add water. Then wait for the enjoyment. . Easy to Clean: Our tea strainers can even be used in dishwashers, its easy to wash the tea out with water, can be reused many times after washing. . Convenient design: It comes with a silicone mat for resting the infuser, so it will keep your countertop dry. Also, its perfect for large cup to steep tea, will not burn your finger by hot water when you pick out the infuser as it comes with a long handle. .