There are many kinds of coffee filter paper in markets, but this is unlike the others
 
The CAFEC filter paper has a “Two-Side Crepe”. Keep an air layer between paper and dripper so water can flow at an ideal speed. CAFEX Abaca papers are FSC-certified and made in Japan using non-wood ABACA (Manila hemp).
 
The ABACA filter paper is an eco-friendly filter paper with exceptional air and liquid permeability, toughness, and elasticity.

CAFEC Abaca Filter Paper Details:
 
Each pack contains 100 filters.
Cone-shaped filter papers are compatible with any cone-shaped drippers with 60 degree angle e.g. CAFEC Flower Dripper, Hario V60, Kono Dripper and Origami dripper.