【NATURAL SAFETY MATERIAL】 - Round coffee filter paper is made of natural, unbleached, high-quality paper with good air permeability and water permeability. Environmentally healthy, safe to use, good strength, to help you make delicious coffee. 【GOOD COMPATIBILITY】 - These disposable coffee filters are compatible with cardio and espresso machines and can be used in different coffee machines; They are suitable for homes, offices, restaurants and coffee shops, making them a very handy and practical tool for coffee lovers. 【EASY TO USE, NO CLEANING REQUIRED】- These coffee paper filters are disposable and very easy to use, put a filter paper on the top to disperse the water more evenly and avoid water channeling, and you can also put a filter paper on the bottom to prevent fine powder from clogging the basket and increase flow rate. After use, it can be thrown away directly, saving the time of cleaning the sieve basket each time.