13 Mil Paper Cover:Each sheet is made from 250gsm paper, 90lb, midweight. They are sturdy and durable as binding covers, not easy to be bent.
Grain Texture:Paper binding cover with square corner featured by grain texture(leather-like appear).
Durable to withstand frequent handling. Work with any binding system (except thermal).
Unpunched for easy use: Unpunched covers can be used with any binding spine, in any binding style that suits your needs.
