Rhodia:
Rhodia Staple Bound Notebook Graph

The french orange notebooks with a cult following! These economical pads are a favorite of artists, designers, architects and people who like to use graph paper for notes, sketching and hand drafting. Pads are also available with ruled and blank pages.
– 21 Lb. Ph neutral white vellum paper
– Exceptionally smooth
– Violet grid lines
– Microperforation on top for easy and clean removal
– 80 Sheets
– Stiff back cover
– Covers are scored to fold back completely out of the way