Long-lasting plastic cover won't rip. Letr-Trim® perforations for easy page tear-out. Snag-proof coil-lock binding along the top is ideal for both left- and right-handed writers. Heavyweight 20 lb Bond Weight Sheets. Pocket-Sized Indicator: Y; Pad-Binding Type: Spiral Coil; Pad-Binding Details: Coil-Lock; Pad-Binding Edge: Top.