Cachet Classic hardbound sketchbooks by Daler-Rowney. All-purpose sketch books are great for drawing, writing, sketching, or doodling. Cachet Classic sketch books made of high-quality 70# neutral pH (acid-free) paper. Ideal sketch pads for ink, pencil, markers, or pastels. Tape-bound and covered in black embossed water-resistant cover stock. Available in several popular sizes. Cachet Classic sketch pads and sketching books are made in the USA.