This strainer can be used for long-time, because the sturdy and thick texture makes it features food graded, anti-fading,, rust-proof, anti-deformed, shatterproof and unbreakable It is suitable for teapot, bowl, cup and so on Thanks to this filter which can locks tightly and strain effectively, it can help to loose tea, spices from getting into the water with the adoption of the buckle and fine mesh design crystal and stainless steel, it is lightweight and to use A for holiday and special occasion, especially you bundle up with a section of lose teas