With extra reinforced staples for extra strength Clairfontaine side staple bound notebooks are a great economical choice for your writing needs. Known for the best writing paper in the world Clairefontaine has been making paper since 1858. The paper is white, 90g, acid-free, with a silky smooth satin finish. Available in sets of 3 with a variety of sizes to choose from. Collect all the fun assorted colors.