1、Folding design, so you can put it in a cup and carry it with you. 2、No filter paper, no peculiar smell, more environmentally friendly, no need to worry about the smell of filter paper that will affect the taste of coffee. Reusable and practical. 3、Easy to clean, with good self‑cleaning performance. Polished stainless steel surface, easy to wash with water, and the glass is wiped and cleaned. 4、You can put one in the office, hotel, restaurant, living room. This product is suitable for making coffee and tea in most cups. When not in use, put it in the cup, which does not take up much space and does not affect cleaning. 5、Can be rinsed with water for easy cleaning, stainless steel mesh has been polished, there will be no coffee grounds. Condition: 100% Brand New Item Type: Coffee Filter Material: Cup Lid-Food Grade Silicone Cup Set-Softwood Cup Body-Glass (Microwavable) Filter-ABS Plastic + 304 Stainless Steel Size: Cup Body: Approx. 13 x 9cm / 5.1 x 3.5in Filter: Approx. 12 x 7.5cm / 4.7 x 3in Instructions for Use: Step 1 Take 10-15 grams of coffee beans and grind to the thickness of coarse sugar. Step 2 Unfold the small wing on both sides of the filter cup upwards, and put them on the cup mouth that can be folded for storage. Step 3 Pour the ground coffee powder into the filter cup. (Note: The grinding degree of coffee powder can be slightly coarser than that of general filter paper type hand brewed coffee powder. If the particles are too fine, the filtration speed will be affected. At the same time, it is easy to extract and increase the bitterness. Step4 Soak the coffee powder with hot water, simmer for about 5 seconds, and then slowly pour the hot water with the water-to-powder ratio 18/1. (Note: The recommended water temperature for deep baked beans is 85°C, and the recommended water temperature for medium-light baking is 90-93°C.) Step5 After the coffee is brewed, the filter cup can be cleaned by rinsing it under the tap. Step6 Fold the small wing down to store the filter cup in the coffee cup for easy carrying. 1 x Cup 1 x Filter