1 SPECIFICATIONS and MATERIALS: Top diameter is 4", bottom diameter is 1.2", height is 2.4", materials are all stainless steel 2 NATURE FLAVOR: The filtration process is 800 mesh slow, so the natural flavor of the coffee is reserved, without any other odor 3 EASY TO USE and CLEAN: Simply add coarse ground coffee to the filter, pour a small amount of water in a circular motion over the ground coffee until soaked, then add the remaining water and allow to drain 4 ENVIRONMENTAL PROTECTION and SUSTAINABLE: It can’t litter, sediment goes into the compost, the filter can still be used for you