Binditek 100 Pack Plastic Spiral Binding Coils, 8mm(5/16"),40 Sheet Capacity,4:1 Pitch, Black Binding Spirals

Binditek 100 Pack Plastic Spiral Binding Coils, 8mm(5/16"), 40 Sheet Capacity, 4:1 Pitch, Black, 48Loops, for Letter Size, for Students and Coworkers

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

Fellowes 52089 Binding Presentation Covers, 8mil, Letter, 100 Pack, Clear