stainless steel materialOur coffee filter is made of food grade stainless steel material, safe, healthy, environmental-friendly, sturdy and durable to use. High efficiency filtrationMesh design allows coffee to filter quickly and smoothly achieve the best extraction rate, the coffee powder will not filter into your coffee mug, and you could enjoy the process of how to make a cup of coffee by yourself. Washable and reusable it is very easy to clean, and help you saving much efforts and money, really practical and affordable. Attention please-Clean it after enjoying your coffee ASAP to avoid coffee grounds that are difficult to clean after drying. Easy to use firstly adding coffee grounds in the filter, slowly pouring in hot water, letting the coffee maker drip out the water through the fine pour over filter, then removing the coffee dripper when finished, and ready to enjoy your coffee. TAKE IT EVERYWHEREIt can be perfectly used in home or office, and it is lightweight and has a compact size for easy carrying, so it is also great for using at traveling, camping, business trips, etc. Color: Black Size: 108*117.5 mm Package includes: 1pc* coffee filter