The color of a wonderful rich piece of slate these dark gray leather grain poly covers are both elegant and professional. Made from extruded poly plastic with an embossed leather grain pattern they are waterproof, stain resistant, heat resistant and are virtually impossible to tear. This awesome durability makes these covers a great choice for industrial applications and for documents such as training manuals that are frequently used and referenced. Available in both letter and oversize, you can choose to have the covers punched for you or order them unpunched and use your own machine. Either way, give them a try and we guarantee you won't be disappointed.