an underside thumb ring for one-handed use

5 mm down-stroke

and seals everything in so your work stays protected indoors or outdoors

it's waterproof

clairefontaine cray on multi techniques pad a4 160g 30 sheets Alfe an underside thumb ring forThe Clairefontaine Cray ON A4 is a professional mixed media pad designed to handle the full range of dry and light wet techniques without switching between paper types. Thirty sheets of 160 g m extra white cellulose stock with a dual sided surface fine grain on the front for charcoal, chalk, pastel, and pencil work, smooth on the reverse for fineliners, calligraphy inks, felt tip pens, and graphic markers. The heavy duty fiber construction resists