These Reusable Tea Filters are a waste-free alternative to paper filters and nylon sacks. Made with Certified Organic Cotton, these reusable tea filters won't leech microplastics or other contaminants into your favorite beverage. Not only that, cotton imparts no flavor on the finished brew unlike paper. All organic cotton tea filters are sewn and packaged by happy human beings in Austin, TX, making a fair and living wage. Made to last a year or more.