The high quality Clairefontaine Chartwell Student Graph Pad is ideal for amateurs and professionals alike. Individually shrink wrapped, this graph pad is printed on 70gsm wove paper for the highest quality. Hole-punch with 4 holes to fit to standard lever arch files. Each pad has 50 sheets and is ruled on one side with a graph in blue on white paper to 2/10/20mm leaving you free to write notes on the reverse. The pages are photographically non-reproducible for the safety of your work.