Archival quality A4 casebound lab notebook. Perfect for documentation of research, IP protection, patent purposes, or dissertations. Tamper-evident and in compliance with GLP, GMP and GCP. Section-sewn, round binding that lays completely flat when open. Features include responsibly sourced, acid-free, ISO 9706 and FSC certified paper; highly durable, scuff-resistant, library buckram cover material which has a special waterproof, wipe-clean coating; and a page marker ribbon. Ideal for in the lab or in the field. The best laboratory notebooks on the market. Lifetime guarantee.