Nice material: the silicone gaskets are made of silicone, the silicone material is more softer to use, and the stainless filter gasket is made of stainless steel, and rust to use a long time Simple to use and clean: our gaskets and filters are easy to apply without much other tools, and 't take up much of your time, they can be washed and dried by hand directly after using Suitable occasions: the stainless steel gasket replacement and gaskets can be applied for a wide temperature, range from -65 Fahrenheit to 450 Fahrenheit/ -54 Celsius to 230 Celsius, they are compatible with 6-cup moka express dama, , Kitty 6 cup Convenient to replace: with these practical gaskets and filters, you 't need to worry that cup is not using due to broken gasket or filter, we provide enough quantity to replace or as a backup Material:Stainless steel + silicone colour:Silver+white Package Contents: 9 x Silicone gaskets 3 x Stainless steel filters Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.