Performance: With acid resistance, alkali resistance, temperature resistance, and wear resistance. Direct filtration, simple process, good water permeability, uniform and stable accuracy, easy installation, high efficiency, long service life. These filters clean easily under running water and are dishwasher-safe. Permanent coffee filters allow full coffee flavor to pass through for richer tasting coffee. Filter is form fitting and adjusts from oblong to round based on the brew basket, holding its shape after brewing. Product size: caliber: 123.5mm; bottom length: 58mm; height: 85mm. Filter: Stainless steel filter. Tips: The maximum mesh size of nylon mesh is currently 400 mesh. Color: black Material: food grade PP material Package Contents: 1 x Cup Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.