poly coated paper, good brightness,high smooth 150-350gsm for making paper cups, made of 100% virgin wooden pulp. SGS,QS Detailed Product Descriptionpoly coated paper, good brightness,high smooth 150-350gsm for making paper cups , made of 100% virgin wooden pulp. SGS,FDApolyethylene coated paper,1side pe coating for making paper cup,make of 100% virgin wooden pulp.good brightness,smoothnesspe( ...