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Expanded DuraCover™ N7 — 23.5 x 30 cm (9.25 x 11.75 in) 144 Pages

Pattern: Grid
Condition: New

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Only 3 units left
105 GSM Premium Paper

Heavyweight, archival-quality paper with smooth writing surface optimized for pen, with high opacity to minimize ink show or bleed through.

Sustainable Build

American made, FSC, SFI, ECF certified papers. 100% recycled book board, sustainable soy based inks. Learn More.

American Made

All Vela products are designed, printed, bound, and tested in the USA.

The Vela Sciences Expanded DuraCover features the full Vela layout in a durable, lay-flat, permanently sewn case featuring a highly durable synthetic cloth and black ribbon marker. Stand out with our most durable, professional case that will withstand the test of time.

  • Complete lab-ready design with full user index, numbered pages, user information blocks, user summary page, abbreviation and reference chart, and ribbon marker  
  • Permanent, tamper-evident, binding is sewn in low page-count signatures to maximize durability of the book and offer more lay-flat pages
  • Archival quality acid-free construction for permanent archiving
  • Heavyweight (105gsm) paper minimizes distracting ink showthrough
  • Made in USA with ECF & SFI certified papers 

Layout Specifications: + -

Page Count: 144
Grid Pages: 134
Page Layout: Ruled (College) 
Page Numbers: Yes
User Summary Block: Yes
Signature & Date Blocks: No 
Print Color: Non-Repro Blue 
User Information Page: Yes
User Index: Yes
Abbreviation Table: Yes
Reference Chart: Yes

Material Specifications: + -

Material Specifications:

Paper Caliper: 105 gsm (70 lbs) 
Paper Whiteness: 91
Paper Smoothness: 5.2
Paper Opacity: 95
Manufacturing: Acid-Free 
Paper Certifications: SFI & ECF
Endsheet: FSC, SFI & ECF Certified  
Ink Base: Soy 
Cover: DuraCover 
Ribbon Marker: Yes 

Cover Customization + -

Add a cover title, sequential book number, or custom logo to your notebooks with 10+ foil options. Minimum order 648 units depending on the level of customization.

View Customization Options

Warranty & Returns + -

Vela has been developing and manufacturing laboratory notebooks and stationery for over 10 years. We take our commitment to quality and the sciences seriously. We guarantee that our products are void of any manufacturing errors and meet or surpass all the strict standards of ISO laboratory stationery.

If within 90 days of purchase, any material manufacturing errors are found, Vela will fully replace or refund your order if the product was operated according to specified standards. In the case of replacement, we will fully cover all return shipping costs.

If not satisfied with your order, you may return it within 30 days of shipment with a 15% restocking fee (this does not include custom orders). If books have been removed from an individual wrap or damaged upon return, there is a 35% restocking fee. Stationery with writing or pages removed may not be returned.

All returns must first be approved; please email for approval and arrangement of delivery back to our warehouse for verification and restocking.

Shipping + -

Domestic (USA)

Free 2-4 Day Shipping On All Orders Over $50 USD Or More. We ship a hybrid of USPS, UPS, and Fedex, with daily pickups. If you require a specific carrier, please select at checkout which would be preferred. 

If a package does not arrive or is damaged, please call or email us to resolve the issue as soon as possible. 


We ship via a trusted freight forwarder who delivers reliably at the lowest cost possible for our customers. Final delivery depends on the shipment type chosen and the destination country. 

We ship all shipments with duties and VAT paid on your behalf. Please get in touch with us with shipment delays or damages. 

Expanded DuraCover™ N7 — 23.5 x 30 cm (9.25 x 11.75 in) 144 Pages