... grad paper for your choice, such as, 160g/sqm, 210g/sqm, 230g/sqm, 280g/sqm, 330g/sqm ,etc.2.PE coating on ... the surface of the paper: waterproof , environmental ,high quality , food grade PE ... sanitation, much safer.About style and color for our disposable paper cups 1. paper style :single wall,double wall or ripple wall for ...