PRICES MAY VARY. unbleached no glue or bonding agent made in Holland 100 filter per box 100 unbleched coffee filter per box. Fold that bottom and side filter seams before placing the filter paper in the cone. Measure the coffee into the filter paper. For medium strength use 1 dessert spoonful per cup. For electric coffee-makers: follow the manufacture's instructions. No glue or bonding agent is used to form the seams. The filter paper is produced under laboratory control.