10 Mil 8-1/2 x 11 Inches PVC Binding Covers - Pack of 100, Clear Compatible with GBC, Fellowes and Trubind Binding Machines

CFS Products PVC Binding Covers- Clear Gloss - Compatible with GBC, Fellowes and Trubind Binding Machines (8.5x11 10mil, No Tissue)

CFS Products 10-mm (3/8") Binding Coils - Coil10 - Pre-Sized to fit Letter Sized Paper - 4:1 Pitch (4 Holes per inch) - 12" Long - Compatible with GBC, Trubind, Fellows Binding Machines - 100 Per Box

Binditek 100 Pack 12 Mil Sand-Textured Polycover - Plastic Binding Cover for Letter Size - Lightly Sanded Finish - Business Reports and Proposals - Square Corners, Un-Punched, Black