The phrase "paper counterparts" refers to physical copies or duplicates of something that also exists in electronic or digital form. It means having a tangible version of something that is usually stored or displayed electronically. Full definition
E-readers will also help save a lot of money as e-books generally cost less than their conventional paper counterparts. (goodereader.com)
Cotton and other natural fibers used for cloth diapers are highly absorbent, and depending on the style, do a better job of holding in leaks than their paper counterpart, the disposable diaper. (diaperjunction.com)
They are more comfortable than their paper counterparts and are equally absorbent. (diaperpincorner.com)