Medium grain canvas board size 16"X20" or 40X50 CM is ideal for artists and beginers Suitable for poster colours, acrylic colours, oil colours and fabric colours. Coated with a double layer of acrylic gesso primer which aids in adhesion and allows proper absorbency of colours and also enhance the brightness It is acid free because of which colours does not spread and retain actual colours for a longer time Youva canvas board is made up of good quality light weighted MDF board.