A. Durable material: All parts are made of food - grade stainless steel. The tea strainer for the cup is safe, hygienic and durable. The tea strainer does not contain harmful substances and odors. The tea leaves can circulate freely and quickly release the aroma to preserve the taste of tea. B. Durable material: Made of 304 stainless steel. The tea strainer for the cup is safe, hygienic and durable. The tea can circulate freely, quickly release the aroma and maintain the taste of tea. C. Ultra - fine mesh: The mesh of the loose tea filters is fine and evenly distributed. The tea filters can easily filter loose and finely cut tea leaves, so you can brew many types of tea. D. Foldable double handle: The long telescopic handle is easy to carry and lift, protecting your fingers from heat and steam burns. The long handle does not heat up when pouring boiling water. When you're done, just fold the handle back. This way, they don't take up too much space. E. Widely applicable: The teapot filter fits most standard cups, mugs and teapots. F. Durable lid: The stainless steel lid can maintain the temperature of the internal steam and tea. The tea filter lid can also serve as a base, and after brewing the tea, the machine can be placed on it, so you don't have to worry about the table getting wet.