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 paper 

Layout Specifications:

Page Count: 240
Grid Pages: 228
Page Layout: Grid+ (5mm) ⓘ
Page Numbers: Yes 
User Summary Block: Yes
Signature & Date Blocks: Yes ⓘ
Print Color: Non-Repro Blue ⓘ
User Information Page: Yes
User Index: Yes
Abbreviation Table: Yes
Reference Chart: Yes

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