Vela Sciences Compact Softcover Lab Notebook, 7.5 x 9.25 inches, 128 Pages (Grid) PREMIUM HEAVYWEIGHT PAPER minimizes distracting ink show-through LAB-READY LAYOUT with full user index, numbered pages, and user information blocks to keep your work organized and streamlined. PERMANENT, LAY-FLAT BINDING is sewn in low page-count signatures to maximize the durability of the book and offer the most lay-flat pages possible for a book this size and form. ARCHIVAL QUALITY acid-free construction ensures your book and work will be preserved. MADE IN USA using ECF & SFI sourced papers, soy inks, and FSC certified cover