【Double-layer Stainless Steel Filter Mesh】Made from high-quality 304 stainless steel, this coffee filter cup is sturdy and corrosion-resistant. Double-layer stainless steel filter mesh allows for more even coffee extraction and prevents fine coffee grounds from passing through. The stainless steel material ensures that your coffee retains its natural flavor and aroma, and is easy to clean and maintain. 【Foldable Design】The collapsible design of the filter cup makes it easy to store and carry. You can fold it to a small size and fit it in your backpack or handbag, making it an ideal companion for camping, hiking, and travel. 【Camping coffee Portable】If you loves the outdoor such as camping, beach, backpacking or travel, this portable cup filter for coffee will be the best choice for you to carry with. 【Reusable and Eco-friendly】This coffee filter cup is designed to be reusable, which helps reduce waste and protect the environment. You can use it repeatedly without worrying about disposable coffee filters and their impact on the environment. 【Easy to Use】The coffee filter cup is easy to use and can fit most coffee cups and mugs. Simply unfold the cup, place it on top of your cup or mug, add your favorite coffee grounds, and pour hot water over the grounds. 【Easy​ ​to ​ ​Clean】Portable pour over coffee filter The single coffee pour-over rinses quickly and is dishwasher safe. No more paper filters with our coffee strainer made from sturdy stainless steel.