Bristol Pads are available in extra white acid-free smooth and vellum surfaces. Bristol smooth features and extra smooth texture with a silky finish, ideal for detail and technical drawing, enabling intracate work. Bristol Vellum features a medium texture finish, ideal for illustration. Both erase easily and can be used with pencil, coloured pencil, charcoal, pastel, pen and ink, marker, light watercolour and airbrush. Paper is made using hydro power and in FSC certified. Made in Italy. Pads are glue bound (fold over) and contain 20 sheets of 100lb (270gsm) paper.