Staples Arc Customizable Durable Poly Notebook System, Navy, 11" x 8.5" Durable poly cover Premium, heavyweight paper 60 repositionable narrow-ruled sheets; simply pull out pages and move from one section to another 60 sheets Ultra-flexible design allows you to add, remove and rearrange pages easily as your needs change Narrow ruled, 9 1/2" x 11 1/2"