Create a range of effects with our 130gsm white cartridge paper. The sheets in the hardback sketchbook are acid-free and made in the UK!These 2mm hardback covers are designed to provide strength, durability, and longevity. Keep your art protected for longer within these wiro-bound hardback coversHardback Wiro Bound Sketchbook with 40 sheets and 80pages of 130gsm Cartridge Paper. UK ManufacturedFine cartridge drawing paper is best for sketching, drawing, manga, cartoons, still life, stippling and practicing new stylesHardback cover protects the internal paper from damage. The paper is strong, so there is no need to worry about repeated erasure and normal hard pressure. These books can be made either to portrait or landscape