This A3 / A4 hardback sketch book features 170gsm cartridge paper, perfect for acrylic painting. Each A3 Sketchbook contains 20 Sheets, giving you a total of 40 Pages. Each A4 Sketchbook contains 25 Sheets, giving you a total of 50 Pages. The spiral-bound format makes it convenient for use in all your creative projects. With a sleek black color, this bulk buy item offers high-quality paper for your sketches and paintings. Ideal for artists and designers looking for a durable and versatile medium to bring their ideas to life. Why not try a Sample Page