These coffee filters are delivered to you in an unfolded manner. However, they are quite easy to fold; simply fold them twice to form an open V-flap as showcased in the third and fourth images of product guide. This makes for an easy and quick filter setup without experiencing any difficulties. Measuring 11.8 inches by 11.8 inches, the size of these coffee filters accords the for different coffee equipment for coffee maker, pour-over coffee pots, , and drippers among others. They are Perfect for serving 3 to 10 cups of coffee, making them versatile enough to accommodate various brewing requirements. Manufactured from top-quality food-grade wood pulp, these disposable pour over coffee filters possess no bleaching agents or harmful chemicals, ensuring they are devoid of fluorescent substances. The materials used in crafting these coffee filter squares are both environmental-friendly and safe for everyday usage, preserving the natural taste of your coffee. Our unbleached coffee filters are meticulously designed to enhance the taste of your coffee. They are capable of effectively eliminating bitter elements, oils, coffee grounds, froth, and other impurities that tend to disrupt the clarity and quality of your brew. Cleaning up after brewing your coffee with these filters not be a hassle. They are disposable which means that you can simply take them out and throw them away after use, significantly reducing your cleanup time. This saves you from the trouble of having to wash and dry them and contributes to a more convenient coffee brewing experience.