Vela Sciences Advanced S7-C Expanded ProCover Lab Notebook, 9.25 x 11.75 in (23.5 x 30 cm), 144 Pages, Black Synthetic Leather, Permanent Bound, 70lb Heavyweight Paper (1-Pack, Grid+)

Features

• SMART CONSTRUCTION – Professional synthetic leather cover with ribbon marker, permanent sewn bound hardcover with heavyweight durable book board, and reinforced flat-back spine.
• LAB-READY LAYOUT – Features expanded user information page, laboratory notebook guidelines, pre-numbered index, numbered user pages, reference and conversion charts, abbreviation and equipment tables, and user cover label. *With Line Grid+ (5mm) user pages featuring signature and date blocks on every page.
• HEAVYWEIGHT PAPER – 105gsm (70lb/28lb Bond) smooth writing paper, designed to minimize ink showthrough or bleedthrough. We recommend archival-quality type inks for day-to-day use in the lab, especially Copic or Micron felt point pens. (Fountain pen use is highly dependent on ink and tip used, please test before bulk purchase.)
• ARCHIVAL QUALITY – All materials are acid-free, archival quality, and are lab-ready for all ISO laboratory and field research notebook standards. For long-term storage, we recommend storing in dry, room temperature conditions, out of direct sunlight.
• SUSTAINABLE – FSC, SFI, ECF certified papers & board. Soy inks throughout, minimization of paper waste, and fully recyclable. Printed, bound, & shipped proudly in the USA by the Vela Sciences team.