This Derwent Academy heavyweight paper sketchbook is the perfect choice for aspiring artists and hobbyists. Its heavyweight 67lb paper is great for sketching with a variety of dry mediums. The white, acid-free pages keep artwork looking its best and won't degrade over time. The sketchbook spiral lock design ensures the wire binding won't snag. The neat sheet perforated sheets Let you cleanly tear out pages. Contains 70 sheets. 9" x 12".