Safe materials: Our tea infusers are made of food-grade 304 stainless steel and BPA-free organic food-grade silicone. This tea infuser contains no harmful chemicals even after long exposure to hot water, it is non-toxic, safe, rust-proof, and can be used for a long time. Usage design: the top is made of soft and safe silicone. The silicone handle protects you from burning your fingers from hot water. At the same time, its arms allow it to sit steadily on your teacup. The bottom part is made of stainless steel, and the ultra-fine mesh gives you a great tea experience without loose leaf particles leaking out of the mesh and ruining your taste. Easy to use: the tea filter can be opened from the middle and is very easy to use and clean. It is easy to clean manually and in the machine, so you don't have to worry about tea stains after a long time. Wide application: This tea filter is suitable for all loose teas, very healthy and environmentally friendly. It fits your teapots, cups, and mugs and is perfect for making tea. The perfect gift: This would be a great gift for a loved one or friend who loves to drink tea!