Strathmore Drawing Paper Pad Medium Surface 400 Series 18 x 24 Spiral Bound 24 SheetsVersatile sheets of cream colored drawing paper for sketching and most finished work. The Medium surface readily accepts pen and ink, pencil, charcoal, crayon and markers. The Smooth surface, with its non reflective finish and uniform formation, is especially suited for line drawing and technical work. Twenty four 80 lb., acid free sheets per spiral bound pad.