MasterArt Sketchbook SP104 Wirebound Sketchbook 100gsm. 50sheets/book * SP model sketchbook, inside is bond paper, thickness 100 gram, amount 50 sheets. * 2 color covers : black/brown * Binding style 360 degree folding open wire rim, saving space to use * Suitable for drawing, sketching with crayons, drawing pens, colored pencils, oil chalk and charcoal sticks