A high quality laboratory notebook crafted from a durable and hard green marble cover to increase writing stability. Its 120 pages of premium white paper with 5x5 quad ruling provide plenty of space for permanent record. The sturdy design ensures your journal will be well protected and have increased longevity and the center sewn binding allows it to lay perfectly flat. Pocket-Sized Indicator: No; Book-Binding Type: Sewn; Book-Binding Edge: Side; Cover Color: Green.