Transform your wide mouth Mason Jar into a cold brew coffee maker! Make your morning coffee the night before with this stainless steel mason jar lid and avoid having to buy a cup on your way to work. This lid doubles as a tea infuser for when you want a glass of homemade tea. The fine mesh strainer makes sure no coffee grinds or tea leaves make it into your refreshing beverage. The lid also comes with a silicone gasket that prevents leaks and locks in freshness!