The 50 lb white drawing paper used in the sketch book is perfect for sketches, drawings or scribbles. It is adaptive for most media, including ink, marker, crayon and pencil. The sheets are 9" x 9" and bound with spiral wire that features snag-proof wire ends. The printed cover features a "Kids" graphic, and the back is made from strong 30-pt chipboard. Pad-Binding Type: Spiral; Pad-Binding Edge: Top; Sheets per Pad: 40; Sheet Size (Bound-Side First): 9 x 9.