Pen & Ink Light Weight Sketch Book - Landscape 5-1/2 x 3-1/2 Inches - Pen & Ink sketch books offer high quality, acid free paper and durable covers at a very affordable price. Features include an elastic closure, an expandable inner pocket, and an attached ribbon bookmark. Each book is stitch bound and has a durable, faux leather wrapped hard cover. These are wonderful for people who go through a lot of sketch books and writing books but do not want to spend a lot of money on replacing books that are full! This sketch book is filled with 192 buff colored, acid free pages. The pages are 54 lb. weight (80 g/m2).