This Silvine Kraft cover sketch book is perfect for those wanting to go outdoors and sketch what's around them. This field sketch book has 40 sheets of 130 gsm textured cartridge paper, great for sketching on.. Silvine A4 Sketch Book. Field Sketch Book. 40 sheets. Laminated Kraft card cover . 130gsm textured cartridge. Dimensions (mm) H 297 W 210 D 5