1. Material---This stainless steel coffee filter is made of PP, 304 food-grade stainless steel, which is non-toxic and odorless and meets food industry standards. The inner layer is woven with high-density ultra-fine metal wire. It can filter out 99.9% of the residue. The outer thickened stainless steel plate is laser punched, which is strong and durable. 2. Strong practicality---This coffee filter does not require filter paper, and the bottom is composed of a chassis, which is designed to be conveniently placed on the coffee container. Compared with the previous filter paper, the filter is easy to clean. 3. Scope of application---This hand-brewed coffee filter is suitable for coffee shops, milk tea shops, western restaurants or home-made coffee filtration, and can be used for coffee filtration or tea making. 4. A good tool in daily life---Put in ground coffee and then pour in hot water. No more wasting time in the coffee making process, no paper filters make your life simpler.