About this item 1 SPECIFICATION and MATERIALS: Upper Diameter is 4.7 IN, Under Diameter is 3.9 IN, Height is 2.8 IN, Materials are All Stainless Steel 2 NATURE FLAVOUR: The Filtration Process is Slow by 800 Mesh, So that the Coffee Nature Flavour is Reserved, Without Any Other Smell 3 EASY to USE and CLEAN: Simply Add Coarse Ground Coffee to Filter, Pour a Small Amount of Water in a Circular Motion Over Ground Coffee until Soaked Then Add the Remaining Water and Let Drip 4 ENVIRONMENTAL PROTECTION and DURABLE: It Can’t Make Any Waste, the Sediment Go in the Compost, the Filter Can be Used Always for You 5 SERVICE: We Will Give You a Satisfactory Reply in 24 Hours as a Professional Seller if You Have Any Question