Environotes BioBased One-subject Notebook offers spiral binding on the top for easy note-taking especially for left-handed writers. Wire ends are coil-locked for snag-proof performance. Smooth, white, 20 lb. writing paper is college-ruled with a red margin line and is perforated across the top for easy removal. Paper is produced from 30 percent sugarcane post-agricultural fiber and post-consumer content. High-performance sheets allow writing on both sides. Notebook carries the USDA Bio-Preferred Certification. Covers are produced from recycled, 25 point Reprise board and come in assorted Earthtone colors: dark red, black, dark blue and green. Back cover is an extra heavy-duty, 80 point gray chipboard for writing support. Each book contains 70 sheets of writing paper.