... of making tea, coffee, etc. Glass Tea Mug with Strainer KS50 KS Series glass tea cup with filter your great choice of making ... to cleanMade of linear expansion coefficient of 3.3 borosilicate glass, high definition, heat resistant, blowing molded, easy to cleanThe ... and durable, stainless steel mesh(304), environmental friendly, complied with GB 14942-1994 and GB 9684-88 standardHigh quality plastic ...