Underground Production's new format and layout that was tested in the UP38 was a success

The ink is oil-based and permanent

This bottle contains 210 ml of paint

It's a transparent acrylic varnish that works on pretty much any surface

Limited edition

clairefontaine sketchbook a3 Zusa Underground Production's new format andA large format spiral bound sketch pad built for studio assignments, life drawing, and broad gestural work. Fifty sheets of light grained 90 g m white paper with just enough tooth to grip graphite, charcoal, and dry pastels cleanly. The top wire O twin ring binding opens completely flat and folds back on itself for a rigid self supporting workspace. Micro perforated sheets tear away cleanly without fringe. Acid free, pH neutral. Format: A3 50 micro