Arches Hot Pressed Watercolour Block in 14x20" by R.K BurtArches Hot Pressed Watercolour Block by RK Burt. Hot pressed, otherwise known as Satin Satine watercolour paper is passed through a press to ensure an ultra smooth painting surface. This paper is ideal for fine detail or botanical watercolour painting. The block is sealed on all sides which means it can be painted on straight away without need for pre stretching, and can be removed from the block using a palette knife. Ideal for watercolours and other