Crescent Creative Products 5.5 8.5-Inch RENDR Hardbound Sketchbook, 5.5" x 8.5" Professional Quality hardbound sketchbook with soft-touch cover Rendr no-show thru technology allows you to use every side of every page Ideal for most art media. Perfect for markers Heavy duty Smyth-sewn binding 110lb./180Gsm, acid-free, Two-Sided sheets