[Borosilicate Glass Cold Brew Coffee Maker] The iced coffee beverage kettle is made of food-grade high borosilicate glass, which has better temperature resistance than ordinary glass, is sturdy, more stable and not easy to break. the safety of the glass coffee maker when the hot and cold scenes change frequently. The capacity is 800ml, and its compact design makes it easy to store in the refrigerator. [Ultra-dense filter] The cold brew coffee maker filter adopts 160 Micrometres woven metal fine fine mesh and is made of high-quality food-grade 304 stainless steel, which can effectively prevent coffee grounds from entering the mason jar, ensuring that your cold brew coffee does not contain coffee grounds or sediment. thus producing a smooth and rich taste that traditional brewing methods cannot achieve, and can also be used as a storage container or glass jug to make other beverages. [Sturdy Seal] Our liquid glass has a sturdy sealing system to keep your drinks fresh and prevent