1. PREMIUM MATERIAL---This stainless steel coffee filter is made of high quality baby grade PP, 304 food grade stainless steel, non-toxic and tasteless, food industry standard. The inner layer is woven with high-density ultra-fine metal wire. Can filter out 99.9% of the residue. The outer thickened stainless steel plate is laser perforated and durable. 2. STRONG PRACTICALITY---This coffee filter does not need filter paper. The bottom is composed of a chassis, which is designed to be easily placed on the coffee container. Compared with the previous filter paper, the filter screen is easy to clean. 3. SCOPE OF APPLICATION---This hand-brewed coffee filter is suitable for coffee filtration in coffee shops, milk tea shops, western restaurants or their own coffee filtration, and can be used for coffee filtration or tea brewing. 4. GOOD TOOL IN NORMAL LIFE---Put the ground coffee, then pour in hot water. No more wasting time spent in the coffee-making process and simplifies your life with no paper filters.