Common specifications of thermal paper include 57×50, 57×60, 57×80, 75×50, 75×60, 75×80, 80×50, 80×60, 80×80, 80×140, etc. Common specifications of ordinary offset paper include 44×40, 57×60, 70×60, 75×60, 75×80, 76×80, 82×80, etc. Common specifications of carbonless cash register paper include 57×40 double-layer, 57×60 double-layer, 75×60 double-layer, 75×60 triple-layer, 241×100 double-layer, 241×100 triple-layer