Made of food grade 304 stainless steel, , and environmentally friendly. The woven wire mesh screen is fine enough for cold brew coffee, it can keep the ground coffee particles in the filter. Easy to use and clean. Just put the filter into a wide mouth jar, add ground coffee and , then put the jar in the refrigerator for at least 24 hours, and you can get the most delicious homemade cold brew coffee. It is easy to wash just by and dishwasher safe. More healthy and natural, unlike plastic or paper filters, stainless steel filter will not bring toxic substance, like or bleaching agent, into the coffee. The coffee is brewed at a low temperature, the acid in the coffee will not be extracted, so you can enjoy the flavor of coffee. Multi-function, is not only a cold brew coffee filter, but also a tea filter and fruit infuser for wide mouth mason jar. It fits 32 OZ wide mouth mason jars and above. Color: Silver Material: Stainless steel Package Contents: 2 x Filter Only the above package