These slim, side stapled notebooks are available in three sizes with either black or orange covers.
The 3″ x 4 3⁄4″ contains 24 sheets of graph Rhodia paper (Perfect size for a pocket!)
The 6″ x 8 1⁄4″ contains 48 sheets of lined Rhodia paper
The 8 1⁄4″ x 11″ contains 48 sheets of lined Rhodia paper
The card covers are coated and waterproof, the paper 80 g extra white. (Acid-free, pH neutral & fountain pen friendly)
Have you tried these? Do you use them for a specific purple?