Made from imported Japanese paper, strong and better flow through Brews clean, smooth hot coffee Pro Mael cone coffee filter provides high filtration capacity, allowing the coffee to pass quickly and trapping coffee grounds, giving you a delicious, clean, smooth cup of hot coffee. Thermoforming & Binder Free Some coffee filters have a smooth coating on the inside to make it easier to bind the seams, but it can clog the pores, make the coffee drain slowly, take longer to filter, and coffee grounds can build up and burn, resulting in a sour or bitter coffee . Pro Mael cone coffee filter paper is heat-pressed and has no adhesives, our coffee filters 4 cone paper making it more secure to use. Keep cholesterol in check Filter harmful coffee oils, which makes cholesterol Biodegradeable