For concaves, flats, holes, letterpress 3.5 oz/yd2 (100 g/m2) 10.6 x 15.4 inches (271 x 392 mm), 100 sheets; There are no dosers on the surface and the reverse side is a double layer of strainer. Special art paper with excellent absorption of ink (oil-based and water-based) is widely used for dents, flats, holes, and letterpress etc.