You receive: 1* coffee smart filter cup and 100 pieces of filter paper. Our product is made of high borosilicate glass, which is strong and and not produce substances, ensuring that the taste of your coffee is not affected. Innovative invention: There are small steel balls at the bottom of the product, which can block the water flow, achieve soaking and extraction, and fully stimulate the aroma of coffee. There are also buttons that close the valve upwards and open the valves downwards. You can open and close the valve at and brew freely. You can close the valve when brewing coffee and open the valve after soaking. Easy to clean: The product can be disassembled at and is easy to clean. It can be used with multiple bases or brackets. At the same time, it has a simple structure and is easy to install. Slow life experience: In the hustle and bustle of city life, DIY a cup of coffee, feel the rare tranquility in the noisy life, and experience a beautiful life! Colour:black+transparent Material:High borosilicate Size:12 x 9.5cm Package Contents: 1set x Coffee Filter Cup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.