1. Easy to use: our coffee filter fits multiple coffee cups. Just open the folding arms and put it in your coffee cup and wait 2-3 minutes to enjoy your coffee anytime, anywhere. With this portable filter, you no longer need to carry a paper filter around. 2. Easy to clean: 304 stainless steel and ABS material make the product durable and reusable. The double fine mesh filter is easy to clean and store. When you are done using it, wash it under running water and put it in the cup for storage. 3. Convenient to carry: this portable drip cone is small and compact, and it comes with foldable arms that you can easily fold and store it in your coffee cup. You'll save more space in your backpack when you're camping, hiking, traveling or on a business trip. Even when you go out, you can sit back and enjoy a fresh cup of hand-ground coffee. 4. Safe to use: is important when brewing coffee by hand. Our coffee maker has two heat-resistant handles that improve grip while protecting your hands and fingers from hot water burns. It is strong and sturdy: the mesh is made of 304 stainless steel, the body is made of ABS and the cup is made of PCTG (commonly used for bottles), non-toxic, PBA-, food . We make sure every sip of your coffee is pure and .