The tea infuser filter is made of food grade stainless steel material, no abnormal odors or staining. Durable, safe for dishware, easy to clean. Eco-Friendly, flexible, lightweight and portable, easy to use and carry. Just pull the tea infuser pipe to add tea leaf, and then push it to close, next steep it into your cup or mug with hot water, waiting for a few minutes until the desired brew strength has been achieved, then savor and enjoy your tea. This is a premium tea infuser. It is excellent for keeping leaves out of your tea - perfect for medium to large tea leaves. Allows plenty of space for your tea to expand resulting in an enjoyable tea every time. Curved handle design, you can be hung on the edge of the cup. Smooth edges do not hurt your hands. Shape cup hanging design, shrink freely, easy to clean. Smooth and even tea filter holes, preventing tea leaves from leaking out. The Tea Strainer is really easy to clean, Leave them to dry after cleaning for better maintenance, reusable for years and years.