CoffeeSock NutMilk Kit: includes a mason jar and a nut milk filter. A great alternative to make your own plant based milk! (Oat milk is surprisingly easy and affordable to make. You don’t need anything more fancier than a blender and a way to strain the blended oats. (Hint: CoffeeSock Nutmilk Filter!) It’s also really fast. Unlike DIY nut milk, which takes hours to soak, you can have a fresh batch of oat milk ready in about 10 minutes. Our filters are durable and may last at least a year or more. CoffeeSock filters are a reusable alternative to paper filters and nylon sacks. All of our filters out-perform any comparable disposable and reusable filters. CoffeeSock filters are made with Certified Organic Cotton. CS filters are made in Austin, Texas. All filters are sewn and packaged by happy human beings making a fair and living wage.