High temperature pressing edge, no use of adhesive, clean, neat and firm, will not be broken because of hot water. The characteristics of the paper is exquisite and its thickness is homogeneous to pure coffee flavor and aroma. Fit round design, fully extract coffee, taste more mellow and . Natural wood pulp no bleach, no fluorescent agent is added to reduce the damage to the taste of coffee, more environmental. Soft texture, high density, good flexibility, clear grain, good fit, fine fiber, filter without residue.