Use this Second Nature Wireless Notebook to complete the cycle and recycle. This notebook delivers the quality you need for efficiency. Wireless binding means no smashed or damaged coils. One-subject format includes 80 sheets of college-ruled white paper with red margin rule. Three-hole punched sheets are ready for easy inclusion in standard, three-ring binders. Letr-Trim perforation allows clean and easy sheet removal. Notebook also offers a 27 point chipboard backer for support.