Teabag fliter paper (filter paper, teabag paper) main technical data: Basis weight: 16.5,18,21,25,28,30,38,40GSM 1) Width: 94mm, 114mm, 125mm, 145mm, etc., as requested 2) Outside diameter: 450mm,or as requested 3) Core size: 76mm 4) soft paper, high moisture and tensil strength