Visit our FULL SITE to order Print or eTextbooks The Spirax No. 533 A3 Sketch Book contains 20 sheets of high quality, acid-free cartridge paper so you can sketch and draw in style. The sketch book comes with sturdy cardboard covers to protect your work from damage. It also features a strong spiral binding which holds everything together and allows you to lay the book flat while in use.There are 20 sheets in this sketch book ; The pages have an acid-free, 110 gsm construction ; It is A3 size, so perfect for larger works of art ; The pages are perforated so you can easily tear out and display your work ; The spiral binding holds the book securely together and allows you to lay it flat ; The sturdy cardboard covers protects your pages from everyday wear and tear ; This product is FSC certified, so you can be sure your purchase supports healthy forests and protects wildlife.